A	filename	PSG filename
B	id1	subject identification
C	cyc_def_option	"Method used to split the sleep period in sleep cycles, it defines the criteria. I.e. : ""Minimum criteria""  ""Aeschbach 1993""  ""Feinberg 1979"""
D	cyc_def_include_soremp	Include a REM sleep periods (REMP) that occur within 15 minutes of sleep onset.
E	cyc_def_include_last_incomplete	Include the last sleep cycle even if the NREM period (NREMP) or REMP does not meet the minimum duration criteria.
F	cyc_def_rem_min	Minimum length without R stage to end the REMP.
G	cyc_def_first_nrem_min	Minimum length of the first NREMP in minutes.
H	cyc_def_mid_last_nrem_min	Minimum length of the middle and last NREMP in minutes.
I	cyc_def_last_nrem_valid_min	Minimum length of the NREMP in minutes to validate the last sleep cycle.
J	cyc_def_first_rem_min	Minimum length of the first REMP in minutes.
K	cyc_def_mid_rem_min	Minimum length of the middle REMP in minutes.
L	cyc_def_last_rem_min	Minimum length of the last REMP in minutes.
M	cyc_def_move_end_rem	"Move the end of the REMP to the start of the following NREMP, eliminating the temporal ""gap"" between 2 cycles."
N	cyc_def_sleep_stages	"List of valid stages used to define the sleep cycles:  ""N1, N2, N3, R"" or ""N2, N3, R"""
O	sleep_cycle_count	Number of sleep cycles
P	desaturation_drop_percent	"Drop level (%) for the oxygen desaturation ""3 or 4"""
Q	max_slope_drop_sec	"The maximum duration (s) during which the oxygen level is dropping ""120 or 20"""
R	min_hold_drop_sec	"Minimum duration (s) during which the oxygen level drop is maintained ""10 or 5"""
S	invalid_events	Group and name annotation labels removed from the oxygen saturation analysis
T	chan_label	The label of the oxygen channel used for the anlysis
U	chan_fs	The sampling rate (Hz) of the oxygen channel used for the anlysis
V	sleep_period_min	Sleep Period (min): The duration (min) from the first epoch scored as sleep (N1, N2, N3, R) to the final awakening (includes last epoch scored as sleep).
W	total_invalid_min	Invalid duration for oxygen saturation analysis (min).
X	total_valid_min	Valid (no invalid section) duration for oxygen saturation analysis (min) during the sleep period.
Y	total_saturation_avg	The average value of the oxygen saturation (%) during the valid sleep period (total_valid_min).
Z	total_saturation_std	The standard deviation value of the oxygen saturation (%) during the valid sleep period.
AA	total_saturation_min	The minimum value of the oxygen saturation (%) during the valid sleep period.
AB	total_saturation_max	The maximum value of the oxygen saturation (%) during the valid sleep period.
AC	total_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % during the valid sleep period.
AD	total_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % during the valid sleep period.
AE	total_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % during the valid sleep period.
AF	total_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % during the valid sleep period.
AG	total_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % during the valid sleep period.
AH	total_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % during the valid sleep period.
AI	total_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % during the valid sleep period.
AJ	total_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % during the valid sleep period.
AK	total_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % during the valid sleep period.
AL	total_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % during the valid sleep period.
AM	third1_saturation_avg	The average value of the oxygen saturation (%) for the first third of the valid sleep period.
AN	third1_saturation_std	The standard deviation value of the oxygen saturation (%) for the first third of the valid sleep period.
AO	third1_saturation_min	The minimum value of the oxygen saturation (%) for the first third of the valid sleep period.
AP	third1_saturation_max	The maximum value of the oxygen saturation (%) for the first third of the valid sleep period.
AQ	third2_saturation_avg	The average value of the oxygen saturation (%) for the second third of the valid sleep period.
AR	third2_saturation_std	The standard deviation value of the oxygen saturation (%) for the second third of the valid sleep period.
AS	third2_saturation_min	The minimum value of the oxygen saturation (%) for the second third of the valid sleep period.
AT	third2_saturation_max	The maximum value of the oxygen saturation (%) for the second third of the valid sleep period.
AU	third3_saturation_avg	The average value of the oxygen saturation (%) for the last third of the valid sleep period.
AV	third3_saturation_std	The standard deviation value of the oxygen saturation (%) for the last third of the valid sleep period.
AW	third3_saturation_min	The minimum value of the oxygen saturation (%) for the last third of the valid sleep period.
AX	third3_saturation_max	The maximum value of the oxygen saturation (%) for the last third of the valid sleep period.
AY	half1_saturation_avg	The average value of the oxygen saturation (%) for the first half of the valid sleep period.
AZ	half1_saturation_std	The standard deviation value of the oxygen saturation (%) for the first half of the valid sleep period.
BA	half1_saturation_min	The minimum value of the oxygen saturation (%) for the first half of the valid sleep period.
BB	half1_saturation_max	The maximum value of the oxygen saturation (%) for the first half of the valid sleep period.
BC	half2_saturation_avg	The average value of the oxygen saturation (%) for the last half of the valid sleep period.
BD	half2_saturation_std	The standard deviation value of the oxygen saturation (%) for the last half of the valid sleep period.
BE	half2_saturation_min	The minimum value of the oxygen saturation (%) for the last half of the valid sleep period.
BF	half2_saturation_max	The maximum value of the oxygen saturation (%) for the last half of the valid sleep period.
BG	N1_saturation_avg	The average value of the oxygen saturation (%) for the N1 stages during the valid sleep period.
BH	N1_saturation_std	The standard deviation value of the oxygen saturation (%) for the N1 stages during the valid sleep period.
BI	N1_saturation_min	The minimum value of the oxygen saturation (%) for the N1 stages during the valid sleep period.
BJ	N1_saturation_max	The maximum value of the oxygen saturation (%) for the N1 stages during the valid sleep period.
BK	N1_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in N1 stages.
BL	N1_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in N1 stages.
BM	N1_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in N1 stages.
BN	N1_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in N1 stages.
BO	N1_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in N1 stages.
BP	N1_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in N1 stages.
BQ	N1_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in N1 stages.
BR	N1_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in N1 stages.
BS	N1_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in N1 stages.
BT	N1_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in N1 stages.
BU	N2_saturation_avg	The average value of the oxygen saturation (%) for the N2 stages during the valid sleep period.
BV	N2_saturation_std	The standard deviation value of the oxygen saturation (%) for the N2 stages during the valid sleep period.
BW	N2_saturation_min	The minimum value of the oxygen saturation (%) for the N2 stages during the valid sleep period.
BX	N2_saturation_max	The maximum value of the oxygen saturation (%) for the N2 stages during the valid sleep period.
BY	N2_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in N2 stages.
BZ	N2_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in N2 stages.
CA	N2_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in N2 stages.
CB	N2_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in N2 stages.
CC	N2_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in N2 stages.
CD	N2_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in N2 stages.
CE	N2_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in N2 stages.
CF	N2_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in N2 stages.
CG	N2_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in N2 stages.
CH	N2_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in N2 stages.
CI	N3_saturation_avg	The average value of the oxygen saturation (%) for the N3 stages during the valid sleep period.
CJ	N3_saturation_std	The standard deviation value of the oxygen saturation (%) for the N3 stages during the valid sleep period.
CK	N3_saturation_min	The minimum value of the oxygen saturation (%) for the N3 stages during the valid sleep period.
CL	N3_saturation_max	The maximum value of the oxygen saturation (%) for the N3 stages during the valid sleep period.
CM	N3_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in N3 stages.
CN	N3_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in N3 stages.
CO	N3_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in N3 stages.
CP	N3_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in N3 stages.
CQ	N3_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in N3 stages.
CR	N3_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in N3 stages.
CS	N3_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in N3 stages.
CT	N3_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in N3 stages.
CU	N3_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in N3 stages.
CV	N3_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in N3 stages.
CW	R_saturation_avg	The average value of the oxygen saturation (%) for the R stages during the valid sleep period.
CX	R_saturation_std	The standard deviation value of the oxygen saturation (%) for the R stages during the valid sleep period.
CY	R_saturation_min	The minimum value of the oxygen saturation (%) for the R stages during the valid sleep period.
CZ	R_saturation_max	The maximum value of the oxygen saturation (%) for the R stages during the valid sleep period.
DA	R_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in R stages.
DB	R_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in R stages.
DC	R_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in R stages.
DD	R_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in R stages.
DE	R_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in R stages.
DF	R_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in R stages.
DG	R_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in R stages.
DH	R_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in R stages.
DI	R_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in R stages.
DJ	R_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in R stages.
DK	W_saturation_avg	The average value of the oxygen saturation (%) for the W stages during the valid sleep period.
DL	W_saturation_std	The standard deviation value of the oxygen saturation (%) for the W stages during the valid sleep period.
DM	W_saturation_min	The minimum value of the oxygen saturation (%) for the W stages during the valid sleep period.
DN	W_saturation_max	The maximum value of the oxygen saturation (%) for the W stages during the valid sleep period.
DO	W_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in W stages.
DP	W_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in W stages.
DQ	W_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in W stages.
DR	W_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in W stages.
DS	W_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in W stages.
DT	W_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in W stages.
DU	W_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in W stages.
DV	W_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in W stages.
DW	W_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in W stages.
DX	W_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in W stages.
DY	NREM_saturation_avg	The average value of the oxygen saturation (%) for the NREM stages during the valid sleep period.
DZ	NREM_saturation_std	The standard deviation value of the oxygen saturation (%) for the NREM stages during the valid sleep period.
EA	NREM_saturation_min	The minimum value of the oxygen saturation (%) for the NREM stages during the valid sleep period.
EB	NREM_saturation_max	The maximum value of the oxygen saturation (%) for the NREM stages during the valid sleep period.
EC	NREM_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in NREM stages.
ED	NREM_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in NREM stages.
EE	NREM_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in NREM stages.
EF	NREM_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in NREM stages.
EG	NREM_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in NREM stages.
EH	NREM_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in NREM stages.
EI	NREM_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in NREM stages.
EJ	NREM_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in NREM stages.
EK	NREM_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in NREM stages.
EL	NREM_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in NREM stages.
EM	N2N3_saturation_avg	The average value of the oxygen saturation (%) for the N2N3 stages during the valid sleep period.
EN	N2N3_saturation_std	The standard deviation value of the oxygen saturation (%) for the N2N3 stages during the valid sleep period.
EO	N2N3_saturation_min	The minimum value of the oxygen saturation (%) for the N2N3 stages during the valid sleep period.
EP	N2N3_saturation_max	The maximum value of the oxygen saturation (%) for the N2N3 stages during the valid sleep period.
EQ	N2N3_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in N2N3 stages.
ER	N2N3_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in N2N3 stages.
ES	N2N3_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in N2N3 stages.
ET	N2N3_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in N2N3 stages.
EU	N2N3_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in N2N3 stages.
EV	N2N3_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in N2N3 stages.
EW	N2N3_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in N2N3 stages.
EX	N2N3_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in N2N3 stages.
EY	N2N3_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in N2N3 stages.
EZ	N2N3_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in N2N3 stages.
FA	SLEEP_saturation_avg	The average value of the oxygen saturation (%) for the SLEEP stages during the valid sleep period.
FB	SLEEP_saturation_std	The standard deviation value of the oxygen saturation (%) for the SLEEP stages during the valid sleep period.
FC	SLEEP_saturation_min	The minimum value of the oxygen saturation (%) for the SLEEP stages during the valid sleep period.
FD	SLEEP_saturation_max	The maximum value of the oxygen saturation (%) for the SLEEP stages during the valid sleep period.
FE	SLEEP_below_96_percent	The percentual time spent (%) with an oxygen saturation under 96 % in SLEEP stages.
FF	SLEEP_below_94_percent	The percentual time spent (%) with an oxygen saturation under 94 % in SLEEP stages.
FG	SLEEP_below_92_percent	The percentual time spent (%) with an oxygen saturation under 92 % in SLEEP stages.
FH	SLEEP_below_90_percent	The percentual time spent (%) with an oxygen saturation under 90 % in SLEEP stages.
FI	SLEEP_below_88_percent	The percentual time spent (%) with an oxygen saturation under 88 % in SLEEP stages.
FJ	SLEEP_below_85_percent	The percentual time spent (%) with an oxygen saturation under 85 % in SLEEP stages.
FK	SLEEP_below_80_percent	The percentual time spent (%) with an oxygen saturation under 80 % in SLEEP stages.
FL	SLEEP_below_75_percent	The percentual time spent (%) with an oxygen saturation under 75 % in SLEEP stages.
FM	SLEEP_below_70_percent	The percentual time spent (%) with an oxygen saturation under 70 % in SLEEP stages.
FN	SLEEP_below_60_percent	The percentual time spent (%) with an oxygen saturation under 60 % in SLEEP stages.
FO	cyc1_saturation_avg	Cycle 1 - The average value of the oxygen saturation (%).
FP	cyc1_saturation_std	Cycle 1 - The standard deviation value of the oxygen saturation (%).
FQ	cyc1_saturation_min	Cycle 1 - The minimum value of the oxygen saturation (%).
FR	cyc1_saturation_max	Cycle 1 - The maximum value of the oxygen saturation (%).
FS	cyc2_saturation_avg	Cycle 2 - The average value of the oxygen saturation (%).
FT	cyc2_saturation_std	Cycle 2 - The standard deviation value of the oxygen saturation (%).
FU	cyc2_saturation_min	Cycle 2 - The minimum value of the oxygen saturation (%).
FV	cyc2_saturation_max	Cycle 2 - The maximum value of the oxygen saturation (%).
FW	cyc3_saturation_avg	Cycle 3 - The average value of the oxygen saturation (%).
FX	cyc3_saturation_std	Cycle 3 - The standard deviation value of the oxygen saturation (%).
FY	cyc3_saturation_min	Cycle 3 - The minimum value of the oxygen saturation (%).
FZ	cyc3_saturation_max	Cycle 3 - The maximum value of the oxygen saturation (%).
GA	cyc4_saturation_avg	Cycle 4 - The average value of the oxygen saturation (%).
GB	cyc4_saturation_std	Cycle 4 - The standard deviation value of the oxygen saturation (%).
GC	cyc4_saturation_min	Cycle 4 - The minimum value of the oxygen saturation (%).
GD	cyc4_saturation_max	Cycle 4 - The maximum value of the oxygen saturation (%).
GE	cyc5_saturation_avg	Cycle 5 - The average value of the oxygen saturation (%).
GF	cyc5_saturation_std	Cycle 5 - The standard deviation value of the oxygen saturation (%).
GG	cyc5_saturation_min	Cycle 5 - The minimum value of the oxygen saturation (%).
GH	cyc5_saturation_max	Cycle 5 - The maximum value of the oxygen saturation (%).
GI	cyc6_saturation_avg	Cycle 6 - The average value of the oxygen saturation (%).
GJ	cyc6_saturation_std	Cycle 6 - The standard deviation value of the oxygen saturation (%).
GK	cyc6_saturation_min	Cycle 6 - The minimum value of the oxygen saturation (%).
GL	cyc6_saturation_max	Cycle 6 - The maximum value of the oxygen saturation (%).
GM	desat_count	The number of oxygen desaturation during the valid sleep period.
GN	desat_ODI	The Oxygen Desaturation Index (ODI) : number of desaturations per hour during the valid sleep period.
GO	desat_severity	Desaturation severity : The sum of areas under the desaturation events in percent*sec over the valid sleep period (sec).
GP	desat_SP_percent	The percentage of time spent in desaturation during the valid sleep period (SP).
GQ	desat_dur_avg_sec	The average duration in sec of the oxygen desaturation events occuring during the valid sleep period.
GR	desat_dur_med_sec	The median value of the duration in sec of the oxygen desaturation events occuring during the valid sleep period.
GS	desat_area_avg	The average area under the desaturation events in percent*sec.
GT	desat_area_med	The median area under the desaturation events in percent*sec.
GU	desat_slope_avg	The average slope of the desaturation events in percent/sec.
GV	desat_slope_med	The median slope of the desaturation events in percent/sec.
GW	desat_depth_avg	The average depth of the desaturation events in percent.
GX	desat_depth_med	The median depth of the desaturation events in percent.
GY	recovery_count	The number of oxygen recovery events during the valid sleep period.
GZ	recovery_index	The Recovery Index (RI): number of recovery events per hour during the valid sleep period.
HA	recovery_severity	Recovery severity: The sum of areas under the recovery events in percent*sec over the valid sleep period (sec).
HB	recovery_SP_percent	The percentage of time spent in recovery during the valid sleep period (SP).
HC	recovery_dur_avg_sec	The average duration in sec of the oxygen recovery events occurring during the valid sleep period.
HD	recovery_dur_med_sec	The median duration in sec of the oxygen recovery events occurring during the valid sleep period.
HE	recovery_area_avg	The average area under the recovery events in percent*sec.
HF	recovery_area_med	The median area under the recovery events in percent*sec.
HG	recovery_slope_avg	The average slope of the recovery events in percent/sec.
HH	recovery_slope_med	The median slope of the recovery events in percent/sec.
HI	recovery_depth_avg	The average depth of the recovery events in percent.
HJ	recovery_depth_med	The median depth of the recovery events in percent.
HK	total_severity	Total Severity of desaturation and recovery areas by summing individual desaturation and recovery areas in percent*sec over the valid sleep period (sec).