Table 2 HRs (95% CI) of all-cause mortality (116 cases) according to ABI/TBI quartile

All-cause mortality

41 deaths / 62

29 deaths / 66

19 deaths / 58

27 deaths / 61

(n = 186)

Model 1

3.15 (1.82–5.44) **

1.67 (0.94–2.98)

ref

1.36 (0.76–2.45)

< 0.001

Model 2

2.99 (1.72–5.19) **

1.69 (0.94–3.01)

ref

1.62 (0.90–2.93)

< 0.001

Model 3

2.83 (1.60–5.03) **

1.54 (0.86–2.78)

ref

1.63 (0.90–2.94)

< 0.001

Model 4

2.72 (1.52–4.88) **

1.45 (0.79–2.64)

ref

1.59 (0.87–2.90)

< 0.001

TBI

Q1 (0.18–0.50)

Q2 (0.51–0.63)

Q3 (0.64–0.76)

Q4 (0.77–1.11)

P for trend (Q1–4)

All-cause mortality

40 deaths / 63

35 deaths / 61

27 deaths / 65

14 deaths / 58

(n = 247)

Model 1

3.91 (2.12–7.21) **

3.60 (1.93–6.70) **

1.98 (1.04–3.78) *

ref

< 0.001

Model 2

2.74 (1.47–5.11) **

3.01 (1.61–5.63) **

1.56 (0.81–2.99)

ref

0.001

Model 3

2.54 (1.31–4.94) **

2.80 (1.44–5.45) **

1.43 (0.72–2.86)

ref

0.004

Model 4

2.63 (1.36–5.12) **

2.89 (1.49–5.61) **

1.54 (0.78–3.04)

ref

0.004