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. 2010 Mar 1;5(3):e9444. doi: 10.1371/journal.pone.0009444

Table 5. Sleep Parameters.

OSAS RLS INS P-value
TIB (min) 437.5 (33.1) 449.2 (32.8) 435.7 (25.8) >0.05
TST (min) 339.0 (58.7) 345.9 (69.5) 337.3 (55.6) >0.05
SEI (%) 77.5 (11.8) 77.1 (14.6) 77.2 (10.8) >0.05
WASO (min) 75.7 (42.8) 75.3 50.1) 61.0 (35.6) >0.05
REM (min) 41.4 (18.5) ‡ 73.0 (24.1) 70.8 (27.2) <0.001
S1 (min) 92.2 (40.2) ‡ 41.8 (20.0) 31.3 (14.5) <0.001
S2 (min) 198.0 (47.9) 204.2 (47.9) 214.9 (39.5) >0.05
SWS (min) 7.4 (9.5) † 26.9 (29.1) 20.4 (17.5) <0.01
SO (min) 21.2 (20.9) 22.3 (33.2) 22.4 (19.6) >0.05
SLREM (min) 137.7 (68.4) * 97.5 (72.8) 86.4 (46.9) <0.05
SLSWS (min) 122.8 (104.9) * 67.9 (92.6) 37.3 (26.0) <0.05
AHI 55.7 (27.1) ‡ 3.3 (3.7) 1.6 (1.6) <0.001
ODI 43.6 (29.7) ‡ 1.9 (3.0) 1.4 (1.6) <0.001
PLMS-Index 19.2 (20.4) 32.5 (33.1) 5.2 (7.2) † <0.01
PLMS-arousal-index 12.8 (14.0) 14.8 (15.3) 2.8 (4.7) † <0.01
Apnea-arousal-index 33.8 (25.6) ‡ 0.8 (1.8) 0.3 (0.5) <0.001

Data are mean (SD). Mean comparison was done using Gabriel- or Games-Howell-corrected oneway ANOVA.

OSAS, Obstructive sleep apnea syndrome; RLS, Restless legs syndrome; INS, Insomnia; CON, controls; TIB, Time in bed; TST, Total sleep time; SEI, Sleep efficiency; WASO, Wake time after sleep onset; REM, Rapid eye movement sleep; S1, Stage 1 sleep; S2, Stage 2 sleep, SWS, Slow wave sleep; SO, Sleep onset latency; SLREM, REM sleep latency; SLSWS, SWS sleep latency; AHI, Apnea-hypopnea-index; ODI, Oxygen-desaturation-index; PLMS-Index, Periodic leg movements per hour of sleep; PLMS-arousal-index, PLMS associated with arousals per hour of sleep; Apnea-arousal-index, Apneas and/or hypopneas associated with arousals per hour.

* p<0·05, † p<0·01, ‡ p<0·001.