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Table 4 Correlates of CPET parameters on CMR parameters with multiple linear regression analysis adjusting for age and gender

From: Assessment of left ventricular preload by cardiac magnetic resonance imaging predicts exercise capacity in adult operated tetralogy of Fallot: a retrospective study

CPET MRI Adjusted r 95% CI P R 2,%
Mets RVEDVi 0.41 (0.07, 0.67) 0.019 40.3
  RVESVi 0.35 (0.0004, 0.62) 0.047 37.2
  Effective RVSVi 0.57 (0.28, 0.77) 0.001 51.9
  LVEDVi 0.36 (0.02, 0.63) 0.036 38.1
  LVSVi 0.39 (0.04, 0.65) 0.026 39.2
% predicted Mets Effective RVSVi 0.42 (0.08, 0.68) 0.017 23.3
Peak oxygen consumption RVEDVi 0.40 (0.06, 0.65) 0.019 43.7
  Effective RVSVi 0.58 (0.29, 0.77) <0.001 55.4
  LVEDVi 0.35 (0.003, 0.62) 0.045 41.1
  LVSVi 0.37 (0.04, 0.64) 0.029 42.4
% predicted peak oxygen consumption Effective RVSVi 0.52 (0.21, 0.73) 0.002 28.2
Anaerobic threshold PR Fraction -0.40 -0.66, -0.05 0.023 41.2