Table 2.
Hazard Ratio (95% Confidence Interval) of Incident Heart Failure by CSA or CSB
Minimally Adjusted* | MV Adjusted† | MV + WASO Adjusted† | MV + OSA Adjusted† | MV + AF Adjusted† | MV + Hypoxemia Adjusted† | MV Excluding Those with Baseline HF† | MV Truncating Follow-up to Start of CPAP Use | |
---|---|---|---|---|---|---|---|---|
CAI ≥5 (n = 209) | 1.85 (1.20–2.86) | 1.79 (1.16–2.77) | 1.72 (1.11–2.67) | 1.55 (0.99–2.44) | 1.85 (1.17–2.94) | 1.75 (1.13–2.73) | 1.57 (0.92–2.66) | 1.57 (0.94–2.61) |
CSB (n = 185) | 2.29 (1.51–3.46) | 2.23 (1.45–3.43) | 2.19 (1.42–3.38) | 1.96 (1.26–3.07) | 1.91 (1.17–3.13) | 2.17 (1.41–3.35) | 1.90 (1.10–3.30) | 2.53 (1.60–4.00) |
Definition of abbreviations: AF = atrial fibrillation; CAI = central apnea index; CPAP = continuous positive airway pressure; CSA = central sleep apnea; CSB = Cheyne-Stokes breathing; HF = heart failure; MV = multivariable; OSA = obstructive sleep apnea; WASO = wake after sleep onset.
Adjusted for clinic site, age, race, and history of heart failure.
Adjusted for clinic site, age, race, BMI, history of coronary artery disease (myocardial infarction, angina, bypass surgery, angioplasty), heart failure, stroke, diabetes, hypertension, smoking, alcohol use, and physical activity.