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. 2017 Nov 29;6(12):e005899. doi: 10.1161/JAHA.116.005899

Figure 4.

Figure 4

Forest plot of risk factors for central sleep apnea (higher cAHI/AHI percentage) and obstructive sleep apnea (lower cAHI/AHI percentage). 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.