Table 1

Comparison of dilated cardiomyopathy and ischaemic heart disease patient groups

DCM (n=90)IHD (n=122)p value
Age (years)58.45  (11.66)61.49  (7.42)0.02
LVEF (%)28.2  (17.1)25.7  (12.1)0.27
Fractional shortening (%)19.2  (10.2)16.5  (9.8)0.1
PeakV˙o 2 (ml/kg/min)19.9  (7.9)16.4  (5.4)<0.001
% PredictedV˙o 2 68.8  (27.2)53.6  (17.2)<0.001
V˙E/V˙co 2slope34.7  (10.9)37.1  (12.8)0.15
RER at peak1.19  (0.15)1.15  (0.18)0.1
  • LVEF, left ventricular ejection fraction;V˙o 2, oxygen consumption;V˙E/V˙co 2 slope, slope of the relation between ventilation and carbon dioxide production; RER, respiratory exchange ratio.