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Table 3 Preoperative demographical and clinical data of sternotomy and non-sternotomy groups

From: Minimally invasive left internal mammary artery harvesting techniques during the learning curve are safe and achieve similar results as conventional LIMA harvesting techniques

Variables

Sternotomy (n = 64)

Non-sternotomy (n = 74)

p value

Age (years)

61.6 ± 10.6

61 ± 10.6

0.757

Male gender (%)

52 (81.2%)

59 (79.7%)

0.822

Height (cm)

163.4 ± 6.9

163.9 ± 7.4

0.648

Weight (kg)

68 ± 10.3

66.4 ± 10.6

0.370

BMI (Kg/m2)

25.4 ± 3.0

24.1 ± 2.9

0.013

Hx of hypertension (%)

49 (76.6%)

45 (60.8%)

0.048

Hx of DM (%)

23 (35.9%)

22 (29.7%)

0.438

Hx of hyperlipidemia (%)

9 (14.1%)

10 (13.5%)

0.926

Hx of smoking (%)

29 (45.3%)

27 (36.5%)

0.292

LVEF (%)

63.1 ± 8.5

64.8 ± 8.8

0.239

LVEDD (mm)

48.0 ± 5.6

47.3 ± 5.2

0.449

Hx of renal impairment (%)

5 (7.8%)

3 (4.0%)

0.471

Hx of COPD (%)

0 (%)

2 (2.7%)

0.499

Hx of CVD (%)

8 (12.5%)

13 (17.6%)

0.409

Hx of PVD (%)

4 (6.2%)

4 (5.4%)

> 0.999

  1. Hx history, BMI body mass index, DM diabetes mellitus, LEVEF left ventricular ejection fraction, LEVEDD left ventricular end diastolic diameter, COPD chronic obstructive pulmonary disease, CVD cerebrovascular disease, PVD peripheral vascular disease