Table 2.

Polysomnographic Parameters

	Pretreatment (n = 25)	Posttreatment (n = 25)	p Value
TST, min	357.0 ± 75.0	374.9 ± 53.2	NS
SOL, min	26.2 ± 35.3a	11.2 ± 9.0a	< 0.05
Sleep efficiency (TST/TIB)	82.4 ± 13.9	86.3 ± 11.2	NS
Sleep stage, % of TST
1	5.14 ± 3.1	6.5 ± 5.4	NS
2	64.1 ± 7.0	63.3 ± 7.9	NS
3/4	9.5 ± 6.5	9.5 ± 6.9	NS
REM	20.3 ± 6.9	20.1 ± 5.1	NS
REM-onset latency, min	143.0 ± 65.5	129.0 ± 82.3	NS
AHI, no/h	9.3 ± 4.7	9.1 ± 8.7	NS
Arousals, no.	46.2 ± 20.0	41.4 ± 19.1	NS

Data are shown as Mean ± SD. TST refers to total sleep time; TIB, time in bed; REM, rapid eye movement; AHI, apnea-hypopnea index.

^ap<0.05