Table 2 Logistic analysis of BNP at admission, after discharge and (%) changes of BNP (according to the median value) for predicting mortality

Initial BNP

Crude model

<816.5

1

≥816.5

1.114 (0.658 ~ 1.887)

Model 1

<816.5

1

≥816.5

1.215 (0.70 ~ 2.107)

Model 2

<816.5

1

≥816.5

1.184 (0.652 ~ 2.152)

Model 3

<816.5

1

≥816.5

0.920 (0.465 ~ 1.822)

Follow up BNP

Crude model

<370

1

≥370

4.30 (2.426 ~ 7.621)

Model 1

<370

1

≥370

4.373 (2.406 ~ 7.946)

Model 2

<370

1

≥370

4.438 (2.331 ~ 8.450)

Model 3

<370

1

≥370

4.703 (2.360 ~ 9.374)

(%) Changes of BNP

Crude model

<−0.52

1

≥ − 0.52

5.118 (2.852 ~ 9.184)

Model 1

<−0.52

1

≥ − 0.52

6.331 (3.353 ~ 11.954)

Model 2

<−0.52

1

≥ − 0.52

6.838 (3.418 ~ 13.68)

Model 3

<−0.52

1

≥ − 0.52

7.344 (3.518 ~ 15.331)