Table 5 Multivariate Cox regression analyses for 6-month and 1-year all-cause mortality

6-month

Per 1 unit increase

0.93 (0.91–0.94)**

0.97 (0.95–0.99)**

0.97 (0.95–0.99)*

Group 1 is used as reference

Group 1

1 (Reference)

1 (Reference)

1 (Reference)

Group 2

0.25 (0.18–0.34)**

0.55 (0.39–0.78)*

0.62 (0.43–0.88)*

Group 2 is used as reference

Group 1

4.01 (2.91–5.53)**

1.82 (1.29–2.59)*

1.62 (1.14–2.32)*

Group 2

1 (Reference)

1 (Reference)

1 (Reference)

1-year

Per 1 unit increase

0.92 (0.91–0.94)**

0.97 (0.95–0.98)**

0.97 (0.95–0.99)*

Group 1 is used as reference

Group 1

1 (Reference)

1 (Reference)

1 (Reference)

Group 2

0.24 (0.17–0.32)**

0.52 (0.37–0.73)**

0.57 (0.40–0.82)*

Group 2 is used as reference

Group 1

4.25 (3.09–5.84)**

1.93 (1.37–2.74)**

1.75 (1.22–2.49)*

Group 2

1 (Reference)

1 (Reference)

1 (Reference)