From: The relationship between upper airway collapse and the severity of obstructive sleep apnea syndrome: a chart review
Effect
AHI
Point estimate
95 % confidence limits
VP severe vs mild
severe
2.751
0.987
7.669
moderate
1.636
0.682
3.921
VP moderate vs mild
2.354
0.635
8.725
3.106
1.037
9.304