Table 2 Cox regression and logistic regression analyses for different end points

In-hospital mortality

< 0.50

36/286

1.71 (1.17 − 2.48)

0.005

1.87 (1.28 − 2.73)

0.001

1.56 (1.04 − 2.35)

0.033

0.50–0.74

107/1018

1.39 (1.09–1.77)

0.007

1.42 (1.11–1.81)

0.005

1.33 (1.03–1.71)

0.029

0.75–0.99

222/2854

Ref

–

Ref

–

Ref

–

1.00–1.24

165/1904

1.12 (0.91–1.39)

0.273

1.13 (0.91–1.39)

0.272

1.10 (0.89–1.36)

0.378

1.25–1.49

103/996

1.37 (1.07–1.75)

0.013

1.37 (1.07–1.75)

0.012

1.34 (1.04–1.72)

0.024

1.50–1.74

59/530

1.49 (1.10 − 2.01)

0.011

1.52 (1.12 − 2.06)

0.007

1.41 (1.03–1.94)

0.030

≥ 1.75

100/680

2.04 (1.59 − 2.63)

< 0.001

1.87 (1.28 − 2.73)

< 0.001

1.93 (1.48 − 2.52)

< 0.001

One-year mortality

< 0.50

160/286

2.19 (1.71 − 2.80)

< 0.001

2.70 (2.10–3.48)

< 0.001

1.69 (1.28 − 2.24)

< 0.001

0.50–0.74

483/1018

1.56 (1.35–1.80)

< 0.001

1.65 (1.42–1.92)

< 0.001

1.37 (1.17–1.61)

< 0.001

0.75–0.99

1047/2854

Ref

–

Ref

–

Ref

–

1.00–1.24

719/1904

1.05 (0.93–1.18)

0.451

1.05 (0.93–1.19)

0.450

1.00 (0.87–1.13)

0.946

1.25–1.49

414/996

1.23 (1.06–1.42)

0.006

1.24 (1.06–1.44)

0.006

1.16 (0.99–1.36)

0.075

1.50–1.74

236/530

1.39 (1.15–1.67)

0.001

1.45 (1.20–1.76)

< 0.001

1.24 (1.01–1.52)

0.042

≥ 1.75

346/680

1.79 (1.51 − 2.12)

< 0.001

2.00 (1.68 − 2.39)

< 0.001

1.64 (1.36–1.97)

< 0.001