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Table 4 Comparison of number of obstructive sleep apnea patients without hypertension according to right ventricular hypertrophy (RVH) and diastolic or global dysfunctions at baseline (before treatment) and after 6 months of continuous positive airway pressure (CPAP) usage.

From: Effects of CPAP on right ventricular myocardial performance index in obstructive sleep apnea patients without hypertension

  CPAP treatment p- value
Overall (n = 18) Before After  
Patients with RVH n (%) 3 (17) 3 (17) NS
Diastolic dysfunction n (%) 15 (83) 4 (22) 0,0001
Global dysfuntion n (%) 11 (61) 7 (39) 0,001
  1. Data are presented as n or n (%), NS: nonsignificant.