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. 2017 Oct;9(10):3859–3865. doi: 10.21037/jtd.2017.09.17

Table 1. Preoperative patient characteristics stratified by the SYNTAX score.

Variable All patients (n=154) Low score (n=36) Intermediate score (n=42) High score (n=76) P value
Demographics and comorbidity
   Age, year 64.8±10.0 61.9±8.7 65.4±10.1 65.9±10.3 0.128
   Female gender, n (%) 52 (33.8) 16 (44.4) 16 (38.1) 20 (26.3) 0.130
   Body mass index 29.0±6.2 28.5±6.7 30.5±6.7 28.3±5.7 0.245
   Hypercholesterolemia, n (%) 31 (24.0) 6 (16.7) 10 (28.6) 15 (25.9) 0.456
   Diabetes mellitus, n (%) 84 (54.5) 19 (52.8) 25 (59.5) 40 (52.6) 0.749
   Chronic obstructive lung disease, n (%) 9 (5.8) 2 (5.6) 2 (4.8) 5 (6.6) 0.919
   Peripheral vascular disease, n (%) 6 (3.9) 0 (0) 2 (4.8) 4 (5.3) 0.382
   End stage renal failure, n (%) 5 (3.2) 2 (5.6) 2 (4.8) 1 (1.3) 0.403
   Cerebrovascular accident, n (%) 16 (10.4) 3 (8.3) 4 (9.5) 9 (11.8) 0.831
   Myocardial infarction, n (%) 64 (41.6) 15 (41.7) 22 (52.4) 27 (35.5) 0.206
   Percutaneous coronary intervention, n (%) 36 (23.4) 14 (38.9) 10 (23.8) 12 (15.8) 0.026
   Euro score II 3.0±4.0 2.1±1.4 2.8±4.1 3.5±4.6 0.213
Angiographic findings
   Number of diseased coronary vessels 2.7±0.54 2.2±0.68 2.8±0.46 2.9±0.33 <0.001
   Left main disease, n (%) 55 (35.7) 13 (36.1) 7 (16.7) 35 (46.1) 0.006
   SYNTAX score 30.8±10.8 16.6±4.7 27.1±3.0 39.5±6.5 <0.001
   Ejection fraction, % 51.9±12.4 55.0±10.0 51.1±12.7 50.8±13.1 0.224