Table 2.

Characteristics of polygraphic sleep studies and multiple sleep latency tests.

Number, gender	TST (min)	Polygraphic sleep study			Multiple sleep latency test
	Efficiency (%)	Arousal index	Mean SpO2 (%)	Mean sleep latency (min)	SOREMP	Mean REM latency (min)
1, F	385	99	ND	96	0.1	2	1.5
2, F	330	76	3.4	94	1.7	4	3.8
3, M	358	66.7	6.7	98	1	3	2
4, M	365	62	2.6	99	8.5	3	4.83
5, M	433	72	9	99	5.2	4	2
6, F	401	81.9	6.1	99	2.37	3	1.67
7, M	438	79.8	5.1	98	2.25	4	1.37
8, M	432	84.7	3.8	98	2.62	4	1.37
Total (median)	330–438 (393)	62–99 (77.9)	2.6-6.7 (5.1)	94–99 (98)	0.1–8.5 (2.3)	2–4 (3.5)	1.37–4.83 (1.83)

TST – Total sleep time; SOREMP – sleep onset rapid eye movement period; ND – data not available.