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Table 4 Coefficients of Correlation between PBT Results and Blood Biochemical Parameters.

From: Clinical research on liver reserve function by 13C-phenylalanine breath test in aged patients with chronic liver diseases

  13CO2ER 20 13CO2ER 30 13CCUM 60 13CCUM 120
  R Pvelue r Pvelue r Pvelue r Pvelue
ALT 0.01 0.87 0.01 0.89 -0.00 0.99 -0.00 0.96
AST -0.17 0.07 -0.13 0.15 -0.17 0.05 -0.18 0.04
GGT -0.61 <0.01 -0.59 <0.01 -0.63 <0.01 -0.63 <0.01
ALP -0.17 0.07 -0.09 0.32 -0.15 0.09 -0.16 0.08
TBIL -0.71 <0.01 -0.63 <0.01 -0.70 <0.01 -0.71 <0.01
DBIL -0.65 <0.01 -0.58 <0.01 -0.65 <0.01 -0.66 <0.01
ALB 0.80 <0.01 0.81 <0.01 0.84 <0.01 0.85 <0.01
PT -0.80 <0.01 -0.74 <0.01 -0.80 <0.01 -0.81 <0.01
HB 0.80 <0.01 0.83 <0.01 0.85 <0.01 0.85 <0.01
PLT 0.72 <0.01 0.61 <0.01 -0.71 <0.01 -0.70 <0.01
Child-Pugh score -0.81 <0.01 -0.67 <0.01 -0.83 <0.01 -0.84 <0.01
  1. Note: ALT, alanine aminotransferase; AST, aspartate aminotransferase; GGT, γ-glutamyltransferase; ALP, alkaline phosphatase; TBIL, serum total bilirubin; DBIL, serum direct bilirubin; ALB, serum albumin; PT, prothrombin time; HB, haemoglobin; PLT, platelet count