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Table 1 Demographic characteristics of MABG vs SABG cohorts post-PSM

From: Multiple arterial conduits for multi-vessel coronary artery bypass grafting in patients with mild to moderate left ventricular systolic dysfunction: a multicenter retrospective study

Characteristic

Overall

(n = 919)

MABG

(n = 243)

SABG

(n = 676)

SMD

Age (years)

64.2 ± 9.0

63.2 ± 9.1

64.5 ± 8.9

0.09

BMI (kg/m2)

25.5 ± 3.1

25.7 ± 2.8

25.4 ± 3.2

0.1

eGFR (ml/min/1.73m2)

92.0 ± 26.3

93.3 ± 24.6

91.6 ± 26.9

0.06

LVEF (%)

46.0 (42.0, 49.0)

46.0 (42.0, 50.0)

47.0 (42.0, 49.0)

0.09

LVEF

   

0.05

 30–40%

179 (19.5)

44 (18.1)

135 (20.0)

 

 41–52%

740 (80.5)

199 (81.9)

541 (80.0)

 

LVEDV (mm)

53.5 ± 6.9

53.4 ± 6.7

53.5 ± 7.1

0.01

Male

750 (81.6)

198 (81.5)

552 (81.7)

0.01

Smoker

298 (32.4)

76 (31.3)

222 (32.8)

0.03

DM

   

0.02

 No history

610 (66.4)

163 (67.1)

447 (66.1)

 

 NIDDM

226 (24.6)

58 (23.9)

168 (24.9)

 

 IDDM

83 (9.0)

22 (9.1)

61 (9.0)

 

Hypertension

539 (58.7)

140 (57.6)

399 (59.0)

0.03

Carotid stenosis > 50%

   

0.05

 None

763 (83.0)

200 (82.3)

563 (83.3)

 

 Unilateral

63 (6.9)

19 (7.8)

44 (6.5)

 

 Bilateral

93 (10.1)

24 (9.9)

69 (10.2)

 

COPD

33 (3.6)

9 (3.7)

24 (3.6)

0.01

PVD

58 (6.3)

19 (7.8)

39 (5.8)

0.08

CVA

63 (6.9)

14 (5.8)

49 (7.2)

0.06

Dialysis

3 (0.3)

1 (0.4)

2 (0.3)

0.02

Prior MI

303 (33.0)

75 (30.9)

288 (33.7)

0.06

NYHA ≥3

531 (57.8)

134 (55.1)

397 (58.7)

0.07

Previous PCI

93 (10.1)

25 (10.3)

68 (10.1)

0.01

Mitral regurgitation

   

0.08

 None

676 (73.6)

184 (75.7)

492 (72.8)

 

 Mild

200 (21.8)

50 (20.6)

150 (22.2)

 

 Moderate

39 (4.2)

8 (3.3)

31 (4.6)

 

 Severe

4 (0.4)

1 (0.4)

3 (0.4)

 

No. vessel disease

   

0.04

 2

103 (11.2)

25 (10.3)

78 (11.5)

 

 3

816 (88.8)

218 (89.7)

598 (88.5)

 

Left main disease

269 (29.3)

61 (25.1)

196 (29.0)

0.08

Off-pump CABG

358 (39.0)

88 (36.2)

270 (39.9)

0.08

  1. The variables are presented as mean ± standard deviation or median (IQR) or number (%). MABG multiple arterial bypass grafting, SABG single arterial bypass grafting, PSM propensity score matching, SMD standardized mean differences, BMI body mass index, eGFR estimated glomerular filtration (calculated by Modification of Diet in Renal Disease equation), LVEF left ventricular ejection fraction, LVEDV left ventricular end-diastolic volume, DM diabetes mellitus, NIDDM non-insulin-dependent diabetes mellitus, IDDM insulin-dependent diabetes mellitus, COPD chronic obstructive pulmonary disease, PVD peripheral vascular disease, CVA cerebrovascular accident, MI myocardial infarction, NYHA New York Heart Association, PCI percutaneous coronary intervention, CABG coronary artery bypass grafting