Table 3 Multivariate model with Hazard Ratios (HRs) by Cox regression (n = 1001) with adjustment for age and gender, and significant factors from single models partly adjusted for age and gender included, i.e. troponin categorical, respiratory rate, saturation, CHF, renal disease and BMI level

Age

0.85

0.58–1.26

0.42

Gender

1.02

1.01–1.04

0.014

Troponin < 15 ng/L

ref

Troponin 15–100 ng/L

3.68

1.73–7.84

< 0.001

Troponin > 100 ng/L

10.52

4.47–24.80

< 0.001

Respiratory frequency (per min)

1.01

0.98–1.03

0.63

Saturation (%)

0.98

0.97–1.00

0.034

CHF

0.73

0.49–1.08

0.12

Renal disease

0.77

0.53–1.14

0.19

BMI (kg/m ² )

0.95

0.91–0.98

0.005