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Table 1 Baseline Patient Characteristics of the Patent group and the Occluded group at graft-level

From: Early asymptomatic graft failure in coronary artery bypass grafting: a study based on computed tomography angiography analysis

 

Patent (910)

Occluded (45)

P

Age

64 (57–69)

65 (58–69)

0.819

Female (n, %)

250 (27.5)

22 (48.9)

0.003

BMI

25.3 (23.1–27.4)

25.0 (23.1–27.7)

0.924

Hypertension (n, %)

601 (66.0)

30 (66.7)

1.000

Diabetes (n, %)

359 (39.5)

20 (44.4)

0.536

Insulin treatment

104 (11.4)

9 (20)

0.095

Hyperlipidemia (n, %)

459 (50.4)

25 (55.6)

0.544

Previous stroke (n, %)

147 (16.15)

4 (8.89)

0.217

Smoking (n, %)

245 (26.92)

12 (26.67)

1.000

PVD (n, %)

128 (14.07)

9 (20.00)

0.275

Ventricular aneurysm (n, %)

28 (3.08)

2 (4.44)

0.648

Previous MI (n, %)

159 (17.47)

7 (15.56)

0.843

PCI

136 (14.95)

6 (13.33)

0.835

Arrhythmia (n, %)

20 (2.20)

0 (0.00)

0.619

AMI (n, %)

243 (15.71)

12 (26.67)

1.000

Diseased vessels

3.0 (3.0–3.0)

3.0 (3.0–3.0)

0.251

Left main disease (n, %)

202 (22.20)

7 (15.56)

0.358

NYHA (n, %)

  

0.399

 I

3 (0.33)

0 (0.00)

 

 II

699 (76.81)

36 (80.00)

 

 III

201 (22.09)

8 (17.78)

 

 IV

7 (0.77)

1 (2.22)

 

LVEF (%, ± s)

63.6 (55.6–68.7)

65.3 (58.2–69.8)

0.354

LVEF < 40% (n, %)

29 (3.19)

2 (4.44)

0.654

EuroSCORE II

1.0 (0.7–1.5)

1.1 (0.7–1.4)

0.744

Triglycerides

1.5 (1.1–2.1)

1.6 (1.4–2.5)

0.024

PLT

199.0 (166.0–245.0)

185.0 (154.0–229.5)

0.111

Preoperative creatinine (μmol/ml, ± s)

73.0 (62.0–87.0)

69.0 (58.0–79.5)

0.059

  1. BMI body mass index, COPD chronic obstructive pulmonary disease, PVD peripheral vascular diseases, PCI percutaneous coronary intervention, AMI acute myocardial infarction, NYHA New York Heart Association, LVEF left ventricular ejection fraction, LVEDd left ventricular end-diastolic dimension, PLT platelet count