Table 5.
Predictors of obstructive apneas at nighttime.
| Univariate analysis | Univariate analysis | |||||
|---|---|---|---|---|---|---|
| OR | CI | P-value | OR | CI | P-value | |
| In the whole population | ||||||
| Age | 1.05 | 1.03–1.07 | <0.001 | 1.04 | 1.01–1.08 | 0.030 |
| Male gender | 2.64 | 1.61–4.33 | <0.001 | 7.11 | 3.07–16.50 | <0.001 |
| BMI | 1.15 | 1.09–1.21 | <0.001 | 1.16 | 1.06–1.27 | 0.001 |
| NYHA class | 1.45 | 1.04–2.00 | 0.030 | - | - | - |
| Systemic hypertension | 2.85 | 1.75–4.65 | <0.001 | - | - | - |
| COPD | 2.00 | 1.03–3.93 | 0.040 | - | - | - |
| LVEF | 1.03 | 1.01–1.05 | 0.002 | - | - | - |
| LA volume | 1.03 | 1.01–1.07 | 0.020 | - | - | - |
| In the HFrEF population | ||||||
| Age | 1.04 | 1.01–1.06 | 0.004 | - | - | - |
| Male gender | 3.73 | 1.76–7.92 | 0.001 | 3.53 | 1.18–10.54 | 0.030 |
| BMI | 1.13 | 1.05–1.22 | 0.001 | 1.16 | 1.03–1.30 | 0.020 |
| NYHA class | 1.60 | 1.02–2.51 | 0.040 | - | - | - |
| ICM | 2.98 | 1.40–6.35 | 0.005 | - | - | - |
| Systemic hypertension | 2.52 | 1.24–5.11 | 0.010 | - | - | - |
| LA volume | 1.05 | 1.01–1.09 | 0.030 | - | - | - |
| In the HFmrEF population | ||||||
| Age | 1.06 | 1.01–1.11 | 0.030 | - | - | - |
| In the HFpEF population | ||||||
| BMI | 1.20 | 1.07–1.35 | 0.003 | - | - | - |
| Systemic hypertension | 2.99 | 1.14–7.87 | 0.030 | 2.84 | 1.07–7.57 | 0.040 |
BMI, body mass index; CI, confidence interval; COPD, chronic obstructive pulmonary disease; ICM, ischemic cardiomyopathy; LA, left atrium; LVEF, left ventricular ejection fraction; NYHA, New York Heart Association; OR, odds ratio.