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Table 1 Baseline characteristics

From: The effect of body mass index on short-term outcomes in patients undergoing off-pump coronary artery bypass grafting surgery: a retrospective study from a single cardiovascular center

Variables

Group LN

(n = 385)

Group OVW

(n = 501)

Group OBS

(n = 120)

P

P1

P2

P3

Age

63.8 (8.2)

61.2 (9.1)

59.3 (9.7)

< 0.001*

< 0.001*

< 0.001*

0.008*

Male

189 (68.2)

392 (81.7)

199 (79.9)

< 0.001*

< 0.001*

0.003*

0.618

Risk factors

 Smoking

117 (42.2)

263 (54.8)

127 (51.0)

0.004*

0.001*

0.054

0.348

 Drinking

111 (40.1)

246 (51.2)

121 (48.6)

0.011*

0.002*

0.052

0.532

 Chronic obstructive pulmonary disease

4 (1.4)

6 (1.3)

1 (0.4)

0.532

-

-

-

 Hypertension

185 (66.8)

311 (64.8)

180 (72.3)

0.121

-

-

-

 Diabetes mellitus

110 (39.7)

197 (41.0)

92 (36.9)

0.565

-

-

-

 Dyslipidemia

230 (83.0)

392 (81.7)

215 (86.3)

0.284

-

-

-

 Atrial fibrillation

11 (4.0)

14 (2.9)

8 (3.2)

0.784

-

-

-

 Myocardial infarction

81 (29.2)

193 (40.2)

96 (38.6)

0.009*

0.002*

0.027*

0.09

 Percutaneous coronary intervention

23(8.3)

44(9.2)

17 (6.8)

0.553

-

-

-

 Pulmonary hypertension

3(1.1)

7 (1.5)

3 (1.2)

0.937

-

-

-

 Peripheral vascular diseases

39 (14.1)

79 (16.5)

36 (14.5)

0.628

-

-

-

 Neurological events

30 (10.8)

37 (7.7)

13 (5.2)

0.056

-

-

-

 LVEF

59.0 (7.6)

58.8 (6.9)

59.6 (7.0)

0.364

-

-

-

 Creatinine (mmol/L)

85.0 (22.7)

87.6 (19.6)

87.3 (20.6)

0.239

-

-

-

  1. Values are median (SD) or n (%). LVEF = Left ventricular ejection fraction. P1, Group LN versus Group OVW; P2, Group LN versus Group OBS; P3, Group OVW versus Group OBS;
  2. * means a difference on comparison with two groups with p < 0.05