Skip to main content

Table 3 Cox proportional hazards regression analysis for risk factors of mortality

From: Midterm outcomes of simultaneous carotid revascularization combined with coronary artery bypass grafting

Variables

Univariable

Multivariable

HR (95% CI)

P value

HR (95% CI)

P value

Age

1.01 (0.93, 1.10)

0.83

Female sex

0.40 (0.05, 3.32)

0.39

BMI

1.02 (0.85, 1.24)

0.82

NYHA class IV

5.19 (1.44, 18.75)

0.01*

5.01 (1.16, 21.64)

0.03*

Smoking

8.46 (1.06, 67.69)

0.04*

3.73 (0.40, 34.42)

0.25

Drinking

1.14 (0.24, 5.50)

0.87

Hypertension

1.55 (0.33, 7.35)

0.58

Diabetes mellitus

0.95 (0.27, 3.36)

0.95

Previous stroke

1.06 (0.22, 5.01)

0.94

Previous MI

10.04 (2.08, 48.57)

 < 0.01*

5.43 (1.01, 29.29)

0.04*

Previous PCI

1.34 (0.17, 10.61)

0.78

Symptomatic carotid stenosis

1.31 (0.32, 5.37)

0.71

Unilateral carotid stenosis

1.52 (0.43, 5.31)

0.52

Left main disease

0.69 (0.09, 5.51)

0.73

No. of bridging vessels

0.75 (0.31, 1.86)

0.54

LVEF

0.95 (0.89, 1.02)

0.18

On-pump

4.18 (0.87, 20.14)

0.08

4.10 (0.71, 23.59)

0.11

Type of surgery

2.29 (0.29, 18.40)

0.44

Dual antiplatelet therapy after surgery

0.46 (0.13, 1.61)

0.23

  1. BMI Body Mass Index, NYHA New York Heart Association, LVEF left ventricular ejection fraction, MI Myocardial infarction, PCI percutaneous coronary intervention, HR hazards ratio; *p < 0.05