Parameters | Ischaemic (n = 52) | Non-ischaemic (n = 67) | p Value |
Age (years) | 65 (12) | 64 (13) | 0.699 |
Gender, % of patients | |||
Male | 75 | 73 | χ2 = 0.002 |
Female | 25 | 27 | p = 0.962 |
NYHA class, % of patients | |||
III | 87 | 85 | χ2 = 0.003 |
IV | 13 | 15 | p = 0.950 |
Quality of life score | 30 (20) | 31 (22) | 0.830 |
6-Minute hall-walk distance (metres) | 306 (113) | 338 (107) | 0.135 |
Heart rhythm, % of patients | |||
Sinus | 90 | 88 | χ2 = 0.180 |
Atrial fibrillation | 10 | 12 | p = 0.671 |
LVEDV (cm3) | 181 (76) | 183 (66) | 0.894 |
LVESV (cm3) | 134 (65) | 138 (62) | 0.726 |
LV ejection fraction (%) | 27.2 (6.8) | 26.4 (9.2) | 0.604 |
QRS duration (ms) | 131 (31) | 137 (37) | 0.354 |
Ts-SD (ms) | 35 (12) | 39 (14) | 0.142 |
LV, left ventricular; LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; NYHA, New York Heart Association; Ts-SD, standard deviation of the time to peak myocardial systolic velocity among the 12 left ventricular segments.