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Table 1 Distribution of the severity of OSAS at each UA level

From: The relationship between upper airway collapse and the severity of obstructive sleep apnea syndrome: a chart review

OSAS severity; AHI n (%) Mean VP collapse (%; ± SD) Mean BOT collapse (%; ± SD) Mean LPW collapse (%; ± SD)
Mild; 5 to 15 events per hour 194(38) 85(±18) 59(±20) 54(±21)
Moderate; 15 to 30 events per hour 163(32) 84(±17) 63(±20) 59(±22)
Severe; 30+ events per hour 149(30) 87(±12) 72(±18) 67(±23)
  1. This table shows the association between each AHI category (mild = 5 ≤ AHI < 15; moderate = 15 ≤ AHI < 30; severe = 30 ≤ AHI). n (%) = sub-sample size (percentage of overall sample). The mean collapse at each UA is shown at each level of AHI