Table 1

Left ventricular structural and functional data in male endurance-trained, resistance-trained and sedentary control subjects

Heterogeneity test
ParameterEndurance-trained (ET)Resistance-trained (RT)Sedentary controls (CT)p Value (All groups)Post hoc significant differencesHetero-geneityI2d (%)p Value
LV mass (g)232 (200 to 260) [n=64; 1099]220 (205 to 234) [n=25; 510]166 (145 to 186) [n=59; 1239]< 0.001ET, RT>CT2199.8<0.001
IVSWT (mm)11.0 (10.8 to 11.3) [n=68; 1802]11.0 (10.3 to 11.8) [n=19; 408]9.2 (8.9 to 9.5) [n=63; 1352]< 0.001ET, RT>CT9899.2<0.001
PWT (mm)10.6 (10.3 to 10.9) [n=57; 1928]10.4 (9.8 to 10.9) [n=14; 370]8.8 (8.6 to 9.1) [n=53; 1433]< 0.001ET, RT>CT8799.2<0.001
LVEDD (mm)54.8 (54.1 to 55.6) [n=61; 1548]52.4 (51.2 to 53.6) [n=17; 384]50.1 (49.5 to 50.7) [n=56; 1174]< 0.001ET>RT, CT
RT>CT
9599.1<0.001
LVEDV (ml)171 (157 to 185) [n=34; 493]131 (120 to 142) [n=14; 189]135 (125 to 145) [n=34; 539]< 0.001ET>RT, CT2399.2<0.001
LV SV (ml)106 (97 to 116) [n=28; 479]86 (77–95) [n=9; 125]83 (77 to 90) [n=27; 590]< 0.001ET>RT, CT1698.7<0.001
LVEF (%)63 (61 to 64) [n=42; 1330]66 (62–70) [n=7; 85]64 (62 to 65) [n=37; 878]0.365NA2.097.7<0.001
LV E/A2.0 (1.9 to 2.1) [n=34; 844]1.9 (1.7–2.0) [n=8; 214]1.8 (1.7 to 1.9) [n=34; 868]0.0148.598.8<0.001
LV E’13.6 (12.3 to 14.9) [n=7; 204]*11.0 (9.4 to 12.6) [n=4; 183]0.0141898.6<0.001
  • Data are mean (95% CI), [number of studies; number of participants].

  • *Insufficient data.

  • E’, peak septal early diastole longitudinal tissue velocity; E/A, peak early to atrial Doppler trans-mitral flow velocities; IVSWT, interventricular septal wall thickness; LV, left ventricular; LVEDD, LV end-diastolic diameter; LVEDV, LV end-diastolic volume; LVEF, left ventricular ejection fraction; PWT, posterior wall thickness; SV, stroke volume; NA, not applicable as main effect not significant (p>0.05).