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Table 1 Sleep in SARS vs. Healthy Controls

From: Chronic widespread musculoskeletal pain, fatigue, depression and disordered sleep in chronic post-SARS syndrome; a case-controlled study

Sleep Parameter SARS Healthy Controls Significance
  Mean (SD) Mean(SD) P
Sleep onset latency ( min.) 24.13 (21.63) 29.34(31.48) n.s.
Total sleep time (min) 370.83 (83.84) 343.43(38.47) n.s.
Sleep Efficiency % 77.44 (13.56) 83.23( 12.36) n,s.
Stage 1% 9.11 (4.13) 6.60(4.61) n.s.
Stage 2% 60.22 (9.95) 49.77(6.53) p = 0.006
Stage 3% 7.83 (6.36) 4.84(2.11) n.s.
Stage 4% 6.27 (5.80) 9.70 (2.84) p = 0.051.
REM onset Latency ( min.) 136.79 (63.72) 87.23 (38.47) p = 0.004
REM % 16.57 (5.94) 17.27 (5.35) n.s.
Apnea/Apnea-Hypopneas Index (no. per hr.of sleep) 4.70 (5.53) 2.73 (2.08) n.s.
REM Apnea-Hypopnea Index (no. per hr.of REM sleep) 14.33 (15.41) N/A N/A
NREM 02 saturation (max/min) 99.13 (0.68) 92.09 (3.61) N/A N/A
REM 02 saturation (max/min) 98.69 (0.93)/92.24 (4.60) N/A 96.50 (0.71) N/A N/A