Table 3 Comparison of heart function and operation in the two groups
Variable | Non-CTO (n = 226) | CTO (n = 97) | P value |
|---|---|---|---|
Emergency stenting (n, %) | 219 (96.9) | 80 (82.5) |  < 0.001 |
Number of stent per capita | 1.43 ± 0.58 | 1.51 ± 0.67 | 0.418 |
IABP implantation (n, %) | 128 (56.6) | 75 (77.3) |  < 0.001 |
CABG (n, %) | 3 (1.5) | 10 (10.3) |  < 0.001 |
LVEF(%) | 50.7 ± 11.5 | 46.6 ± 12.8 | 0.101 |
Killip class | Â | Â | Â |
 ≤ 2 (n, %) | 182 (80.5) | 61 (62.9) |  < 0.001 |
 ≥ 3 (n, %) | 44 (19.5) | 36 (37.1) |  < 0.001 |