Table 2 The Hazard Ratios (HRs) by Cox regression models for separate variables with adjustment for age and gender for 3-months mortality by high-sensitive cardiac troponin-T (hs-cTnT) levels in patients seeking emergency care due to dyspnea

Troponin < 15 ng/L (n = 409)

ref

Troponin 15–100 ng/L (n = 534)

5.04

2.44–10.42

< 0.001

Troponin > 100 ng/L (n = 58)

16.35

7.29–36.64

< 0.001

METTS green

ref

METTS yellow

1.83

0.44–7.56

0.402

METTS orange

2.30

0.56–9.49

0.250

METTS red

3.62

0.86–15.20

0.079

Ever smoker

0.87

0.59–1.28

0.478

EKG ST-level

1 = normal

ref

2 = ST elevation

2.30

0.71–7.43

0.17

3 = ST depression

1.22

0.69–2.16

0.50

4 = patological T-wave

1.27

0.65–2.48

0.49

5 = other changes

1.08

0.69–1.68

0.74

9 = unknown

2.55

0.79–8.24

0.12

Respiratory frequency (per min)

1.02

1.00–1.04

0.041

Saturation (%)

0.98

0.97–0.99

< 0.001

CAD

0.73

0.54–1.13

0.19

CHF

0.57

0.39–0.83

0.003

AF

1.02

0.76–1.36

0.92

Hypertension

1.08

0.75–1.55

0.68

Renal disease

0.53

0.33–0.84

0.007

BMI (kg/m ² )

0.95

0.92–0.99

0.007