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Table 1 Baseline characteristics of CABG and PCI samples

From: Surgical and percutaneous revascularization outcomes based on SYNTAX I, II, and residual scores: a long-term follow-up study

Variables PCI population—410 CABG—559 P value
Age (IQR) 61 (54–67) 63 (57–69) < 0.001
Male sex (%) 258 (62.9) 398 (71.2) < 0.001
Hypertension (%) 331 (80.9) 444 (79.4) 0.564
Diabetes (%) 247 (60.2) 287 (51.3) 0.006
Smoke history (%) 179 (43.7) 308 (55.1) < 0.001
EF (IQR) 62.5 (58–69) 60 (51–64) < 0.001
SYNTAX score I (IQR) 14 (10–19.1) 23 (17–29.5) < 0.001
Residual SYNTAX score (IQR) 4.7 (0–9) 2 (0–6.5) < 0.001
SYNTAX score II (IQR) 28.7 (23–34.2) 25.4 (19.2–32.8) < 0.001
PAD (%) 22 (5.4) 67 (12) < 0.001
COPD (%) 6 (1.5) 27 (4.8) 0.004
GFR (IQR) 67 (57–80) 69 (58–79) 0.514
LDL (IQR) 117 (89–145) 106 (83–134) 0.002
Aspirin/clopidogrel (%) 406 (99) 553 (98.9%) 0.882
Statin (%) 400 (97.6) 553 (98.9%) 0.099
Three-vessel disease (%) 215 (51) 220 (39.4) < 0.001
Left-main (%) 15 (3.7) 116 (20.8) < 0.001
Complete revascularization (%) 106 (25.9) 224 (40.1) < 0.001
Drug eluting stent (%) 152 (37.1) N.A
On-pump CABG (%) NA 323 (57.8)
Left internal thoracic artery (%) NA 546 (97.7)
Second arterial graft (%) NA 69 (12.3)
Number of grafts (SD) NA 2.9 (± 0.64)
  1. CABG coronary artery bypass grafting, COPD chronic obstructive pulmonary disease, EF ejection fraction, GFR glomerular filtration rate, IQR interquartile range, LDL low density lipoprotein, NA non-available, PAD peripheral artery disease, SD standard deviation