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. 2019 Feb 27;156(3):544–552. doi: 10.1016/j.chest.2019.01.033

Figure 2.

Figure 2

Atrial fibrillation-free survival by sleep duration on polysomnography. Proportion free from atrial fibrillation for patients by total sleep time on polysomnography. Incident atrial fibrillation identified by first diagnostic code for atrial fibrillation or ECG showing atrial fibrillation among patients free of atrial fibrillation at time of index polysomnogram. There was a significant difference in freedom from atrial fibrillation by total sleep time using the log-rank test, P < .001.