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Table 4 Effect sizes of primary and secondary outcomes of the meta-analysis

From: Exercise training improves physical fitness in patients with pulmonary arterial hypertension: a systematic review and meta-analysis of controlled trials

Variable Study groups n Mean effect size (95% CI) Z (p)
6 minute walking test distance (m) 5 101 72.17 [45.71, 98.62] 5,35 (<0,0001)
Peak oxygen uptake (mL/kg/min) 3 73 2.14 [0.40, 3.88] 2,41 (0,02)
Peak heart rate (beats/min) 3 75 2.11 [-4.59, 8.81] 0,62 (0,54)
WHO-FC 4 78 -0.24 [-0.44, -0.04] 1,57 (0,12)
  1. n = number; WHO-FC = World Health Organization Functional Class; sPAP = peak systolic pulmonary artery pressure.