Retrospective Study
Copyright ©The Author(s) 2022.
World J Gastroenterol. Jul 21, 2022; 28(27): 3503-3513
Published online Jul 21, 2022. doi: 10.3748/wjg.v28.i27.3503
Table 1 Clinical and biochemical data of examined patients
ParameterTraining cohort (n = 296)1Validation cohort (n = 211)1P value
Age (yr)42.47 ± 11.9841.21 ± 11.360.167
Gender: Female/male (n)75/22140/1710.091
Drinking: Yes/no (n)127/169101/1100.268
Smoking: Yes/no (n)92/20468/1430.784
HbeAg: Negative/positive16/28015/1960.430
Fibrosis stage: F0/F1/F2/F3/F455/58/75/64/4447/47/37/54/260.194
Activity grade: A0/A1/A2/A3/A416/92/113/69/615/72/69/52/30.446
WBC (× 109/L)5.89 ± 2.556.34 ± 4.320.150
NEUT × 109/L)3.55 ± 2.443.66 ± 2.610.611
LYMPH (× 109/L)1.72 ± 0.621.80 ± 0.630.063
PLT (× 109/L)171.61 ± 66.87174.48 ± 61.620.636
Albumin (g/L)41.12 ± 19.0939.94 ± 6.070.380
Globulin (g/L)29.67 ± 5.4529.14 ± 5.800.298
TBIL (μmol/L)16.51 ± 8.4416.73 ± 7.630.768
DBIL (μmol/L)6.91 ± 5.037.07 ± 4.330.699
ALT (U/L)73.31 ± 65.4196.85 ± 83.620.002
AST (U/L)72.59 ± 63.2977.44 ± 67.340.411
ALP (U/L)97.70 ± 41.98104.32 ± 49.250.104
γ-GT (U/L)85.64 ± 69.6897.98 ± 75.360.058
AGPR1.26 ± 0.841.32 ± 0.890.431
Table 2 Univariate analysis in the training cohort
ParameterFibrosis (F0-1) (n = 113)1Fibrosis (F2-4) (n = 183)1P value
Age (yr)45.15 ± 14.9743.63 ± 13.320.363
Gender: Female/male (n)37/7638/1450.021
WBC (× 109/L)6.45 ± 3.025.55 ± 2.140.003
NEUT (× 109/L)4.14 ± 3.03.18 ± 1.950.001
LYMPH (× 109/L)1.67 ± 0.601.68 ± 0.630.828
PLT (× 109/L)206.0 ± 68.39150.55 ± 56.49< 0.001
Albumin (g/L)41.26 ± 5.9339.29 ± 5.660.005
Globulin (g/L)27.46 ± 4.4631.04 ± 5.56< 0.001
TBIL (μmol/L)13.82 ± 7.0617.12 ± 8.8< 0.001
DBIL (μmol/L)6.43 ± 3.727.81 ± 4.49< 0.001
ALT (U/L)65.01 ± 70.7278.42 ± 66.620.101
AST (U/L)56.61 ± 55.1182.45 ± 66.090.001
ALP (U/L)79.06 ± 34.16109.2 ± 42.31< 0.001
γ-GT (U/L)51.84 ± 47.06106.5 ± 73.21< 0.001
AGPR0.72 ± 0.491.61 ± 0.83< 0.001
Table 3 Comparisons of the receiver operating characteristic curve between different non-invasive indices
Training cohort (n = 296)
Validation cohort (n = 211)
F0-1 vs F2-4
F0-2 vs F3-4
F0-3 vs F4
F0-1 vs F2-4
F0-2 vs F3-4
F0-3 vs F4
AGPR
AUROC (95%CI)0.83 (0.78-0.87)0.84 (0.79-0.88)0.87 (0.83-0.91)0.83 (0.77-0.88)0.83 (0.77-0.89)0.84 (0.78-0.89)
Cut-off values0.871.201.400.871.201.40
Se/Sp (%)83.1/73.472.22/80.388.6/75.485.5/68.178.7/70.292.3/67.0
PPV/NPV (%)83.5/72.867.8/83.438.6/97.476.9/79.061.8/84.428.2/98.4
Positive/negative LR3.13/0.233.67/0.353.60/0.152.68/0.212.65/0.302.80/0.11
HR (95%CI) 8.48 (5.22-14.33)7.56 (4.76-9.83)8.10 (5.11-11.63)8.02 (4.95-15.62)7.06 (4.51-12.35)5.06 (3.89-7.72)
GPR
AUROC (95%CI)0.77 (0.72-0.82)0.81 (0.76-0.85)0.80 (0.75-0.84)0.80 (0.74-0.85)0.81 (0.74-0.87)0.78 (0.71-0.83)
Cut-off values0.320.320.560.320.320.56
Se/Sp (%)73.7/70.876.8/54.879.5/65.986.3/67.091.2/56.575.0/62.3
PPV/NPV (%)80.4/62.549.4/80.528.9/94.976.5/79.756.2/91.426.5/86.9
Positive/negative LR2.53/0.371.70/0.422.33/0.312.62/0.202.10/0.151.95/0.41
HR (95%CI) 6.53 (4.81-9.62)6.72 (3.96-9.63)6.47 (4.08-9.83)6.45 (3.58-11.61)7.30 (3.87-14.62)4.84 (3.28-7.95)
APRI
AUROC (95%CI)0.72 (0.67-0.77)0.70 (0.64-0.75)0.76 (0.70-0.81)0.76 (0.70-0.82)0.74 (0.67-0.82)0.77 (0.70-0.83)
Cut-off values0.51.5-1.02.00.51.5-1.02.0
Se/Sp (%)80.9/58.436.1/79.7-77.3/64.743.2/83.383.8/54.334.1/76.6-70.1/68.650.1/78.3
PPV/NPV (%)75.9/65.374.2/43.5-27.6/94.231.1/89.469.5/72.964.5/48.3-26.3/92.730.8/91.9
Positive/negative LR1.94/0.331.77/0.80-2.19/0.352.59/0.681.83/0.301.46/0.86-2.12/0.443.16/0.63
HR (95%CI) 2.61 (1.85-3.67)1.85 (1.41-2.42)2.09 (1.63-2.55)1.59 (1.23-2.07)2.64 (1.76-4.32)2.13 (1.71-2.58)
FIB-4
AUROC (95%CI)0.74 (0.69-0.79)0.75 (0.69-0.80)0.80 (0.75-0.84)0.74 (0.67-0.80)0.79 (0.73-0.84)0.77 (0.71-0.83)
Cut-off values-1.453.25--1.453.25-
Se/Sp (%)-87.9/47.342.6/87.2--77.5/58.137.5/93.1-
PPV/NPV (%)-49.0/87.365.7/72.6--53.0/80.976.9/70.9-
Positive/negative LR-1.67/0.253.34/0.66--1.85/0.395.46/0.67-
HR (95%CI) 1.86 (1.52-2.53)1.94 (1.55-2.42)2.17 (1.77-2.56)1.98 (1.50-2.62)2.11 (1.63-2.74)1.87 (1.68-2.36)
Comparison of AUROC
AGPR and GPRP = 0.008P < 0.0001P = 0.0001P = 0.028P = 0.005P = 0.0008
AGPR and APRIP < 0.0001P < 0.0001P = 0.0002P = 0.0001P = 0.0001P = 0.134
AGPR and FIB-4P = 0.0004P = 0.0005P = 0.022P = 0.007P = 0.174P = 0.100
GPR and APRIP = 0.0007P = 0.0028P = 0.284P = 0.003P = 0.016P = 0.831
GPR and FIB-4P = 0.026P = 0.331P = 0.922P = 0.093P = 0.929P = 0.591
APRI and FIB-4P = 0.455P = 0.028P = 0.061P = 0.248P = 0.008P = 0.795