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Table 1 Patient demographics and preoperative medications

From: Hemostatic efficacy of a flowable collagen-thrombin matrix during coronary artery bypass grafting: a double-blind randomized controlled trial

Variable

GHM N (%), mean (SD), or median [Q1, Q3]

CHMN (%), mean (SD), or median [Q1, Q3]

P value

Demographic data (N = 80, respectively)

Age (mean ± SD)

63.62 ± 7.1

63.1 ± 7.3

0.649

Sex

 Men (n, %)

62 (77.5)

61 (76.3)

0.500

 Women (n, %)

18 (22.5)

19 (23.7)

 

BMI (kg/m2, mean ± SD)

24.5 ± 3.5

24.6 ± 3.1

0.838

Hypertension (n, %)

42 (52.5)

48 (60.0)

0.505

Diabetes mellitus (n, %)

38 (47.5)

44 (55.0)

0.508

Chronic kidney disease (n, %)

14 (17.5)

6 (7.5)

0.194

 BUN (mg/dL, mean ± SD)

20.1 ± 11.8

17.2 ± 7.4

0.189

 Creatinine (mg/dL, mean ± SD)

1.6 ± 2.2

1.5 ± 1.0

0.113

Hyperlipidemia (n, %)

8 (10.0)

12 (15.0)

0.519

Previous AMI (n, %)

2 (2.5)

4 (5.0)

0.241

PCI history (n, %)

16 (20.0)

18 (22.5)

0.790

Acute coronary syndrome

 Unstable angina (n, %)

26 (32.5)

24 (30.0)

0.999

 STEMI (n, %)

2 (2.5)

10 (12.5)

0.201

 NSTEMI (n, %)

20 (25.0)

16 (20.0)

0.790

LVEF (%, mean ± SD)

56.2 ± 14.0

53.1 ± 13.7

0.757

LM disease (n, %)

16 (20.0)

22 (27.5)

0.708

Hemoglobin (g/dL, mean ± SD)

12.4 ± 2.2

12.4 ± 2.4

0.507

Hematocrit (%, mean ± SD)

36.3 ± 6.7

36.8 ± 7.0

0.436

Platelet (10–3/μL, mean ± SD)

251 [101, 340]

282 [113, 376]

0.480

Prothrombin time (INR, mean ± SD)

1.0 ± 0.1

1.0 ± 0.1

0.270

aPTT (mean ± SD)

49.8 ± 21.3

44.8 ± 17.4

0.094

Creatinine (mg/dL, mean ± SD)

1.0 ± 0.5

1.1 ± 1.4

0.162

Preoperative medications

Aspirin (n, %)

80 (100)

80 (100)

-

Heparin, intravenous (n, %)

46 (57.5)

36 (45.0)

0.371

β-blocker (n, %)

20 (25.0)

22 (27.5)

0.525

ACEI/ARB (n, %)

6 (7.5)

8 (10.0)

0.226

Calcium channel blocker (n, %)

16 (20.0)

16 (15.0)

0.428

Statins (n, %)

40 (50.0)

32 (40.0)

0.311

Nitrates (n, %)

2 (2.5)

4 (5.0)

0.573

  1. *ACEI angiotensin-converting enzyme inhibitor, AMI acute myocardial infarction, aPTT activated partial thromboplastin time, ARB angiotensin II receptor blocker, BMI body mass index, BUN blood urea nitrogen, CHM collagen hemostatic matrix, GHM gelatin hemostatic matrix, INR international normalized ratio, LM left main, LVEF left ventricular ejection fraction, NSTEMI non ST segment elevation myocardial infarction, PCI percutaneous coronary intervention, STEMI ST elevation myocardial infarction