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Table 3 Univariate and multivariate Cox proportional hazards model of different predictors of MACCE onset during 24-monh follow-up

From: Renal resistive index and long-term outcome in patients with coronary artery disease

Variable

Univariate analysis

Stepwise multivariate Cox regression

Overall model fit: p = 0.0001

Chi-square = 18.668

HR

95% CI

p

HR

95% CI

p

Male sex

1.77

0.50–6.30

0.38

Age [per 1 years]a

0.99

0.94–1.06

0.96

Arterial hypertension

21.31

< 0.001 – > 1000

0.62

Diabetes mellitus

1.68

0.59–4.78

0.33

Smoking

1.28

0.43–3.79

0.66

CI-AKI onset

3.56

1.00–12.73

0.05

Left main CAD

9.00

3.11–26.03

< 0.001

5.75

1.88–17.62

0.002

Syntax score [per 1 point]a

1.04

1.01–1.08

0.02

Platelet count [per 1/mm3]a

1.01

1.00–1.02

0.02

RRI pre. [per 0.01]a

1.14

1.05–1.22

0.001

1.11

1.02–1.20

0.02

RRI post. [per 0.01]a

1.11

1.02–1.21

0.02

EDV pre. [per 0.01 m/s]a

0.86

0.76–0.96

0.01

 

EDV post. [per 0.01 m/s]a

0.87

0.75–0.99

0.04

AT pre. [per 1 ms]a

1.02

1.00–1.04

0.06

  1. aunit odds ratio
  2. CAD Coronary artery disease, CI-AKI Contrast-induced acute kidney injury, HR Hazard ratio, CI Confidence interval, RRI Renal resistive index, EDV End-diastolic velocity, AT Acceleration time