Finding | Group A (n = 10) | Group B (n = 9) | P |
---|---|---|---|
NYHA class | III–IV (median, III) | III (all patients) | NS |
QRS width (ms) before CRT | 136±13 | 140±17 | NS |
QRS width (ms) during CRT | 120±7 | 122±9 | NS |
QOL score | 42±17 | 26±12 | <0.03 |
6-min WD (m) | 306±94 | 345±109 | NS |
LVEF (%) | 23.2±5 | 23.1±8 | NS |
LVEDVI (mL) | 156±49 | 159±70 | NS |
LVESVI (mL) | 121±44 | 127±67 | NS |
WMSI | 2.56±0.19 | 2.61±0.39 | NS |
Age (y) | 68±10 | 65±16 | NS |
WD = walking distance.