Table 3.
Associations of apnea hypopnea index with mortality
| Variable | Deaths, n (%) | Unadjusted | Adjusted | |||
|---|---|---|---|---|---|---|
| HR (95% CI) | P Value | HR (95% CI) | P Value | |||
| Apnea hypopnea index | ||||||
| ≤5 events/h | 12 (23%) | Reference | Reference | |||
| >30 events/h | 24 (55%) | 2.23 (1.07 to 4.62) | 0.03 | 1.54 (0.59 to 4.01) | 0.38 | |
| >15 to 30 events/h | 30 (70%) | 4.41 (2.25 to 8.64) | <0.001 | 2.31 (0.91 to 5.85) | 0.08 | |
| >5 to 15 events/h | 18 (44%) | 2.88 (1.44 to 5.77) | 0.003 | 2.13 (0.84 to 5.41) | 0.11 | |
| Covariates adjusted for | ||||||
| Age, for every 10 yr higher | 1.40 (1.13 to 1.72) | 0.002 | ||||
| Male versus female | 1.82 (0.95 to 3.51) | 0.07 | ||||
| ESKD versus CKD | 2.11 (1.21 to 3.69) | 0.009 | ||||
| Kidney transplant (time varying) | 0.37 (0.20 to 0.69) | 0.002 | ||||
| Other race versus white | 0.91 (0.49 to 1.67) | 0.75 | ||||
| Diabetes | 1.17 (0.68 to 2.03) | 0.57 | ||||
| BMI, for every unit higher | 1.05 (1.00 to 1.10) | 0.05 | ||||
HR, hazard ratio; 95% CI, 95% confidence interval; BMI, body mass index.