Table 4

The prognostic utility of liver function tests, PIIINP and P4NP 7S

C-indexΔC-indexPNRI (95% CI)PIDI (95% CI)P
Reference model0.654 (0.579–0.728)
Reference model +T-Bil0.668 (0.596–0.741)0.0140.430.207 (–0.037 to 0.452)0.0960.0097 (–0.0041 to 0.024)0.17
Reference model +AST0.653 (0.578–0.729)–0.0010.97–0.0325 (–0.251 to 0.186)0.770.0068 (–0.0011 to 0.0021)0.55
Reference model +ALP0.653 (0.579–0.727)–0.0010.970.0659 (–0.168 to 0.30)0.580.0016 (–0.0039 to 0.0071)0.56
Reference model + γ-GTP0.652 (0.578–0.727)–0.0020.57–0.104 (–0.362 to 0.155)0.430.000272 (0.00245 to 0.00217)0.85
Reference model +PIIINP (high/low)0.657 (0.583–0.731)0.0030.76–0.063 (–0.336 to 0.209)0.650.0022 (–0.0035 to 0.008)0.45
Reference model +PIIINP (continuous)0.663 (0.589–0.738)0.0090.470.112 (–0.157 to 0.382)0.410.007 (–0.0012 to 0.0152)0.095
Reference model +P4 NP 7S (high/low)0.675 (0.60–0.751)0.0210.680.285 (0.016 to 0.555)0.0380.019 (0.0052 to 0.033)0.007
Reference model +P4 NP 7S (continuous)0.671 (0.599–0.743)0.0170.330.382 (0.112 to 0.652)0.0060.011 (0.00109 to 0.0209)0.041
  • The reference model included age, sex, EF<40%, eGFR, sodium <140 mmol/L, haemoglobin and BNP.

  • ALP, alkaline phosphatase; AST, aspartate aminotransferase; BNP, brain natriuretic peptide; EF, ejection fraction; eGFR, estimated glomerular filtration rate; γ-GTP, γ-glutamyltransferase; IDI, integrated discrimination improvement; NRI, net reclassification improvement; PIIINP, N-terminal propeptide of procollagen type III; P4NP 7S, 7S domain of the collagen type IV N-terminal propeptide; T-Bil, total bilirubin.