| Controls (n = 21) | CHD (n = 37) | PH (n = 30) | p-value | |
---|---|---|---|---|---|
 |  | PS (n = 21) | SystRV (n = 16) |  |  |
Age (yrs) | 41.2 ± 10.5 | 30.6 ± 12.6# | 36.6 ± 8.4 | 54.4 ± 15.6** | <0.001 |
BSA (m2) | 1.93 ± 0.21 | 1.90 ± 0.15 | 1.94 ± 0.15 | 1.92 ± 0.26 | 0.97 |
RVSP (mmHg) | – | 50 [40-111] | 108 [89-127] | 54 [23-100] | 0.025 |
VO2/kg (ml/min) | – | 29.7 ± 6.6 | 27.1 ± 6.6 | 17.0 ± 4.1 | <0.001 |
%PredVO2/kg | – | 83.8 ± 17.2 | 83.0 ± 18.5 | 62.9 ± 12.9 | <0.001 |
QRS (msec) | 93.1 ± 13.7 | 133.1 ± 34.4** | 107.2 ± 16.2 | 97.5 ± 24.2 | <0.001 |
Heart rate | 61 ± 9 | 69 ± 9 | 59 ± 8 | 69 ± 12 | 0.013 |
RVEDV (ml/m2) | 97 [60-134] | 95 [71-170] | 109 [73-222] | 110 [52-343] | 0.48 |
RVESV (ml/m2) | 46 [20-59] | 49 [26-122] | 58 [26-170] * | 60 [16-271]* | 0.009 |
RVEF (%) | 54.8 ± 4.6 | 49.0 ± 9.2 | 45.5 ± 10.7# | 41.1 ± 11.4** | 0.017 |