Table 2.
Multivariate analysis for positional obstructive sleep apnea and exclusive positional obstructive sleep apnea.
| POSA | e-POSA | |||
|---|---|---|---|---|
| OR (95%CI) | P value | OR (95%CI) | P value | |
| Time in supine position (1 SD) | 1.20 (1.13–1.28) | < .0001 | 1.91 (1.72–2.13) | < .0001 |
| Age (1 SD) | 0.85 (0.79–0.92) | < .0001 | 0.89 (0.79–1.00) | .0434 |
| Sex (male) | 1.45 (1.25–1.68) | < .0001 | 1.66 (1.33–2.07) | < .0001 |
| Body mass index (1 SD) | 0.61 (0.57–0.67) | < .0001 | 0.57 (0.51–0.65) | < .0001 |
| QD2A depression score (1 SD) | 0.96 (0.89–1.03) | .2406 | 0.94 (0.83–1.05) | .2768 |
| SF36 PCS (1 SD) | 1.01 (0.93–1.08) | .8708 | 1.02 (0.91–1.15) | .6939 |
| Apnea-hypopnea index (1 SD) | 0.47 (0.44–0.51) | < .0001 | 0.12 (0.09–0.14) | < .0001 |
| Hypertension | 0.97 (0.83–1.13) | .6802 | 1.06 (0.83–1.35) | .6334 |
| Diabetes | 0.90 (0.74–1.10) | .3123 | 0.80 (0.92–1.19) | .2291 |
| Cardiovascular disease | 0.84 (0.70–1.01) | .0682 | 0.80 (0.59–1.09) | .1587 |
| PSG vs HSAT | 1.28 (1.11–1.47) | .0006 | 1.24 (1.00–1.53) | .0537 |
CI = confidence interval, e-POSA = exclusive positional obstructive sleep apnea, HSAT = home sleep apnea testing, NPOSA = nonpositional obstructive sleep apnea, OR = odds ratio, PCS = physical composite score, POSA = positional obstructive sleep apnea, PSG = polysomnography, SD = standard deviation.