Model | HR | 95% CI |
P
|
---|
IS (continuous variable) |
 Unadjusted | 1.47 | 1.12–1.93 | 0.006 |
 Model 1 | 1.48 | 1.11–1.96 | 0.007 |
 Model 2 | 1.51 | 1.15–2.00 | 0.003 |
 Model 3 | 1.47 | 1.11–1.97 | 0.008 |
 Model 4 | 1.61 | 1.19–2.17 | 0.002 |
 Model 5 | 1.74 | 1.27–2.39 | 0.001 |
IS (dichotomous variable) |
 Unadjusted | 1.75 | 1.16–2.64 | 0.008 |
 Model 1 | 1.75 | 1.18–2.70 | 0.006 |
 Model 2 | 2.01 | 1.30–3.10 | 0.002 |
 Model 3 | 2.00 | 1.28–3.14 | 0.002 |
 Model 4 | 2.47 | 1.53–3.98 | < 0.001 |
 Model 5 | 2.92 | 1.76–4.86 | < 0.001 |
- Variables of model 1 include age and gender
- Variables of model 2 include age, gender, non-renal APACHE II score, sepsis, RRT, and surgery
- Variables of model 3 include age, gender, non-renal APACHE II score, sepsis, RRT, surgery, serum albumin, creatinine, BUN and β2-microglobulin
- Variables of model 4 include age, gender, non-renal APACHE II score, sepsis, RRT, surgery, serum albumin, creatinine, BUN, β2-microglobulin, ALT, neutrophilic granulocyte and platelet counts
- Variables of model 5 include age, gender, non-renal APACHE II score, sepsis, RRT, surgery, serum albumin, creatinine, BUN, β2-microglobulin, ALT, neutrophilic granulocyte, platelet counts, and interaction terms (gender*platelet counts, surgery*serum albumin, surgery*creatinine and ALT*platelet counts)