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Table 1 Clinical characteristics of entire study patients

From: Effects of peak time of myocardial injury biomarkers on mid-term outcomes of patients undergoing OPCABG

Variables

Total (n = 564)

Male sex (n, %)

443 (78.5)

Age (y)

65.30 ± 8.20

Weight (kg)

70.05 ± 10.39

Height (cm)

166.81 ± 6.77

BMI (kg/m2)

25.13 ± 3.18

BSA (m2)

1.76 ± 0.16

Types of CAD

 

 Unstable angina pectoris (n, %)

332 (58.9)

 Acute myocardial infarction (n, %)

75 (13.3)

 Stable angina pectoris (n, %)

157 (27.8)

Diabetes mellitus (n, %)

201 (35.6)

Hypertension (n, %)

413 (73.2)

Cerebrovascular disease

 

 Stroke (n, %)

22 (3.9)

 Lacunar infarction (n, %)

141 (25.0)

Peripheral vascular disease (n, %)

13 (2.3)

Preoperative atrial fibrillation (n, %)

15 (2.7)

Pulmonary hypertension (n, %)

12 (2.1)

Serum creatinine (μmol/l)

82.51 ± 24.57

Ccr (mL/min/1.73 m2)

80.30 ± 25.09

Renal failure (n, %)

4 (0.7)

LVEF (%)

 

 LVEF ≥ 45% (n, %)

549 (97.3)

 LVEF < 45% (n, %)

15 (2.7)

Triple vessel disease (n, %)

505 (89.5)

COPD (n, %)

9 (1.6)

Previous PCI (n, %)

2 (0.4)

NYHA

 

 I (n, %)

30 (5.3)

 II (n, %)

415 (73.6)

 III (n, %)

113 (20.0)

 IV (n, %)

6 (1.1)

EuroSCORE II

1.79 ± 0.96

Operating time (min)

267.96 ± 64.04

Number of bypass grafts (n)

3.70 ± 1.08

Number of arterial grafts (n)

1.42 ± 0.85

Number of venous grafts (n)

2.28 ± 1.12

Total arterial grafting (n, %)

42 (7.4)

Total venous grafting (n, %)

35 (6.2)

Peak of CK-MB (mg/L)

21.45 (15.00, 32.00)

Peak of cTnT (mg/L)

0.15 (0.10, 0.34)

CK-MB peak occurrence within 24 h (n, %)

382 (67.7)

CK-MB peak value > 32.00 mg/L (n, %)

139 (24.6)

Follow-up time (month)

75.65 (59.88, 93.58)

Mid-term mortality (n, %)

60 (10.6)

  1. BMI body mass index, BSA body surface area, CAD coronary artery disease, Ccr creatinine clearance rate, LVEF left ventricular ejection fraction, COPD chronic obstructive pulmonary disease, PCI percutaneous coronary intervention, NYHA New York Heart Association, EuroSCORE II European system for cardiac operative risk evaluation II, CK-MB creatine kinase myocardial band, cTnT cardiac troponin T