Variables | Young group | Older group | p-value |
---|---|---|---|
(age ≤ 40) n = 50 | (age > 40) n = 50 | ||
Number (%) | Number (%) | Â | |
Wall involvement | |||
Anterior MI | 23 (46) | 22 (44) | NS |
Inferior MI | 16 (32) | 18 (36) | NS |
Antero-septal MI | 11 (22) | 10 (20) | NS |
Left ventricular ejection fraction (LVEF) | |||
LVEF | 54.4 ± 7.7 | 49.8 ± 7.8 | 0.004 |
<40 | 0 (0) | 2 (4) | Â |
40 − 49 | 10 (20) | 22 (44) | 0.01 |
≥50 | 40 (80) | 26 (52) | 0.003 |
Incidence of heart failure (Killip classification) | |||
Class I | 2 (4) | 5 (10) | 0.23 |
Class II | 2 (4) | 3 (6) | 0.64 |
Class III | 0 (0) | 2 (4) | Â |
Class IV | 1 (2) | 3 (6) | 0.30 |
Pattern of arrhythmia | |||
CHB | 2 (4) | 7 (14) | 0.08 |
AF | 1 (2) | 3 (6) | 0.30 |
VT/VF | 2 (4) | 3 (6) | 0.60 |
Mechanical complications | |||
MR | 1 (2) | 6 (12) | 0.05 |
VSR | 0 (0) | 1 (2) | Â |