Table 1b: Reasons for cath.
| Criteria | Group A | Group B | p value |
| Severe angina (Class III-IV) | 31 (93.9%) | 50 (84.7%) | 0.196 |
| Angina classification | |||
| Class I Class II Class III Class IV |
1 (3%) 1 (3 %) 23 (69.7%) 8 (24.2%) |
3 (5.1%) 6 (10.2%) 38 (64.4%) 12 (20.3%) |
0.312 |
| Heart failure | 8 (24.2%) 53.82 ±14.54 |
17 (28.8%) 50.03 ± 10.96 |
0.641 0.162 |
| Current LVEF | |||
| Drop of EF (≥ 10 units) | 1 (3.0%) | 2 (3.4%) | 0.927 |
| MI | 15 (45.4%) | 19(32.2%) | 0.211 |
| Change in ECG from NSR to bundle branch pattern | 0 (0%) | 2 (3.4%) | 0.290 |
| Developing dysrhythmia | 4 (12.1%) | 11 (18.6%) | 0.422 |
LVEF: Left ventricular ejection Fraction.