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Table 1 Baseline characteristics between 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
Age,years 60.5 ± 10.9 62.8 ± 12.3 0.092
Female (n, %) 56 (24.8) 17 (17.5) 0.151
Hypertension (n, %) 127 (56.2) 50 (51.6) 0.443
Diabetes (n, %) 74 (32.7) 31 (31.9) 0.887
Smoking history (n, %) 106 (46.9) 48 (49.5) 0.674
Hyperlipidemia (n, %) 174 (76.9) 78 (80.4) 0.385
OMI (n, %) 7 (3.1) 23 (23.7)  < 0.001
History of PCI (n, %) 6 (2.6) 3 (3.1) 0.832
Renal insufficiency (n, %) 4 (1.8) 8 (8.3) 0.005
Lung infection (n, %) 10 (4.4) 25 (25.8)  < 0.001
Stress ulcer (n, %) 6 (2.7) 5 (5.2) 0.258
Abnormal liver function(n,%)(n, %) 21 (9.3) 7 (7.2) 0.544
  1. Data are presented as mean ± SD or n (%). OMI, old myocardial infarction; PCI, percutaneous coronary intervention