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Table 3 Comparison of heart function and operation in the two groups

From: The long-term impact of a chronic total occlusion in a non-infarct-related artery on acute ST-segment elevation myocardial infarction after primary coronary intervention

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    
 ≤ 2 (n, %) 182 (80.5) 61 (62.9)  < 0.001
 ≥ 3 (n, %) 44 (19.5) 36 (37.1)  < 0.001
  1. IABP, intra-aotic balloon pump; CABG, coronary artery bypass grafting; EF, left ventricular ejection fraction