Table 4 Results of the Fine and Gray competing risk survival analysis on time to death and time to RRT inception

Mortality

Derivation cohort (ref)

1

Validation cohort

1.116 (0.911–1.365)

0.289

 1

0.306 (0.247–0.379)

<0.001

 2

0.855 (0.715–1.023)

0.087

 3

0.756 (0.380–1.507)

0.427

 4

0.115 (0.054–0.245)

<0.001

 5

0.565 (0.274–1.165)

0.122

 6

0.982 (0.736–1.312)

0.905

 7 (ref)

1

 V 1

1.702 (0.925–3.132)

0.088

 V 2

0.872 (0.667–1.139)

0.314

 V 3

1.258 (0.587–2.698)

0.555

 V 4

0.526 (0.109–2.533)

0.424

 V 5

0.930 (0.303–2.856)

0.900

 V 6

0.873 (0.568–1.341)

0.534

 V 7 (ref)

1

1

Validation cohort

1.162 (0.685–1.971)

0.576

 1

0.334 (0.226–0.493)

<0.001

 2 (ref)

1

 3

3.441 (2.537–4.666)

<0.001

 4

0.975 (0.581–1-637)

0.924

 5

1.002 (0.515–1.951)

0.996

 6

0.391 (0.244–0.626)

<0.001

 7

0.441 (0.263–0.740)

0.002

 V 1

0.754 (0.380–1.499)

0.421

 V 2 (ref)

1

 V 3

0.572 (0.253–1.294)

0.180

 V 4

0.442 (0.253–0.774)

0.004

 V 5

0.229 (0.080–0.656)

0.006

 V 6

0.383 (0.156–0.936)

0.035

 V 7

0.389 (0.180–0.842)

0.017