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Forest plot of risk factors for periodic breathing (defined as Cheyne‐Stokes respiration [CSR] ≥20%). AHI indicates apnea‐hypopnea index; BMI, body mass index; cAHI, central AHI; CI, confidence interval; LVEF, left ventricular ejection fraction; min, minimum; NYHA, New York Heart Association; pco 2, partial pressure of carbon dioxide; Sao 2, oxygen saturation.
