Table 6 Odds of being in a higher category of monthly headache frequency, categorized as < 1 day, 1-7 days, 8-14 days, >14 days, among patients with suspected OSA and headache
From: Prevalence and predictors of headache in patients referred to polysomnography
n | Odds ratio | 95% confidence interval | p | |
|---|---|---|---|---|
Normal (AHI <5) | 192 | 1 | ||
Mild OSA (AHI 5-14) | 104 | 1.01 | (0.65-1.58) | 0.96 |
Moderate OSA (AHI 15-29) | 53 | 0.86 | (0.46-1.61) | 0.63 |
Severe OSA (AHI ≥ 30) | 46 | 1.19 | (0.63-2.23) | 0.59 |