Table 4 Univariate and multivariable analysis of risk factors for mortality (Cox proportional hazards model) in the whole sample Hazard ratios (HR, with 95% CI) and standard errors are indicated, together with effect (z) and significance level

0.52 (0.35)

0.12 (0.11)

− 2.94 (− 3.33)

0.003 (0.001)

0.33–0.81 (0.19–0.65)

5.53 (7.15)

1.45 (2.43)

6.52 (5.81)

0.001 (0.001)

3.31–9.26 (3.68–13.91)

0.53 (0.39)

0.10 (0.09)

− 3.27 (− 4.02)

0.001 (0.001)

0.36–0.78 (0.25–0.62)

4.98 (4.67)

1.35 (1.52)

5.94 (4.73)

0.001 (0.001)

2.93–8.47 (2.47–8.86)

3.94 (5.71)

0.74 (1.31)

7.29 (7.61)

0.001 (0.001)

2.73–5.70 (3.54–8.94)

0.51 (0.41)

0.12 (0.13)

− 2.95 (− 2.82)

0.003 (0.005)

0.33–0.80 (0.22–0.76)

4.31 (4.35)

1.21 (1.57)

5.21 (4.08)

0.001 (0.001)

2.49–7.45 (2.15–8.82)

0.53 (0.39)

0.10 (0.09)

− 3.25 (− 4.10)

0.001 (0.001)

0.36–0.78 (0.25–0.61)

2.83 (2.51)

0.78 (0.83)

3.77 (2.75)

0.001 (0.006)

1.65–4.87 (1.31–4.81)

2.65 (3.11)

0.53 (0.75)

4.86 (4.69)

0.001 (0.001)

1.79–3.93 (1.93–4.99)