Table 1 Cox regression analysis of inflammation nutrition score associated with all-cause mortality

INS 1

ref

INS 2

1.592 (1.384–1.833)

 < 0.001

1.323 (1.146—1.528)

 < 0.001

INS 3

2.261 (1.975–2.588)

 < 0.001

1.695 (1.477—1.946)

 < 0.001

INS 4

3.295 (2.901–3.743)

 < 0.001

2.183 (1.912—2.493)

 < 0.001

INS 5

4.175 (3.674–4.744)

 < 0.001

2.606 (2.261—3.003)

 < 0.001

P for trend

 < 0.001

 < 0.001

Validation a

INS 1

ref

INS 2

1.679 (1.423–1.981)

 < 0.001

1.391 (1.175—1.648)

 < 0.001

INS 3

2.232 (1.893–2.63)

 < 0.001

1.657 (1.401—1.958)

 < 0.001

INS 4

3.349 (2.875–3.901)

 < 0.001

2.254 (1.925—2.64)

 < 0.001

INS 5

4.173 (3.589–4.852)

 < 0.001

2.575 (2.177—3.045)

 < 0.001

P for trend

 < 0.001

 < 0.001

Validation b

INS 1

ref

INS 2

1.389 (1.063–1.816)

0.016

1.134 (0.862—1.493)

0.368

INS 3

2.326 (1.834–2.951)

 < 0.001

1.696 (1.328—2.166)

 < 0.001

INS 4

3.176 (2.519–4.005)

 < 0.001

2.014 (1.579—2.569)

 < 0.001

INS 5

4.198 (3.298–5.342)

 < 0.001

2.714 (2.073—3.552)

 < 0.001

P for trend

 < 0.001

 < 0.001