Original Article
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Oct 14, 2014; 20(38): 13920-13929
Published online Oct 14, 2014. doi: 10.3748/wjg.v20.i38.13920
Table 1 Baseline characteristics of patients
Characteristicsn = 70
Age, yr (SD, range)45.9(15.7, 12.0-82.0)
Sex, male (%)45(64.3)
HBV/HCV/Alcohol/NAFLD/Other (%)23 (32.9)/18 (25.7)/12 (17.1)/4 (5.7)/13 (18.6)
Body mass index, kg/m2(SD, range)23.8(2.9, 16.9-29.7)
Hemoglobin, g/dL (SD, range)12.9(2.2, 6.7-17.8)
Platelet count, 103/mm3 (SD, range)174.7(55.3, 76.0-285.0)
Albumin, g/dL (SD, range)3.9(0.7, 1.6-5.3)
AST, U/L (IQR, range)55(31-111, 13-369)
ALT, U/L (IQR, range)47(24-99, 6-473)
Total bilirubin, mg/dL (IQR, range)0.7(0.5-1.1, 0.2-4.9)
GGT, U/L (IQR, range)57(31-157, 13-1569)
Prothrombin time, INR (IQR, range)0.93(0.87-1.00, 0.76-1.48)
APRI (IQR, range)0.91(0.51-1.35, 0.55-5.88)
Hyaluronic acid1, ng/mL (IQR, range)62(23-176, 10-2796)
Type IV collagen1, ng/mL (IQR, range)182(117-310, 66-2790)
Liver stiffness by SWE, kPa (IQR, range)11.1(7.3-18.4, 4.73-48.61)
Fibrosis stage (%)
F0-115(21.4)
F220(28.6)
F313(18.6)
F422(31.4)
Table 2 Liver stiffness cut-off values for the diagnosis of significant (≥ F2) and advanced (≥ F3) fibrosis and cirrhosis (F4) (n = 70)
ValueF2F3= F4
Number of patients, n (%)55 (78.6)35 (50.0)22 (31.4)
Optimal cut-off1 (kPa)8.6010.4614.00
Sensitivity (%)78.2088.6077.30
Specificity (%)93.3080.0085.40
Negative likelihood ratio11.734.435.30
Positive likelihood ratio0.230.140.27
Table 3 Correlation between noninvasive serum markersand histologic fibrosis in chronic liver disease (n =70)
Fibrosis stagerP value
Age0.3440.004
Hemoglobin-0.2810.018
Platelet-0.514< 0.001
Albumin-0.505< 0.001
AST0.2150.074
ALT-0.0870.475
Total bilirubin0.3020.011
GGT0.2360.049
Prothrombin time (INR)0.479< 0.001
APRI0.3900.001
Hyaluronic acid10.708< 0.001
Type IV collagen10.691< 0.001
Liver stiffness by SWE0.774< 0.001
Table 4 Comparison of diagnostic performance between noninvasive serum marker for discriminating F0-1 vs F2-4 (significant fibrosis), F0-2 vs F3-4 (advanced fibrosis) and F0-3 vs F4 (cirrhosis) (n =61)
AUROC95%CIPairwise comparison of ROC curves
FactorDifference between areas (95%CI)P value
Significant fibrosis
SWE0.9080.806-0.967HA0.097 (-0.012-0.205)0.081
Type IV0.067 (-0.003-0.167)0.189
APRI0.217 (0.074-0.359)0.003
HA0.8120.691-0.900Type IV0.030 (-0.092-0.152)0.634
APRI0.120 (-0.041-0.281)0.145
Type IV0.8410.725-0.922APRI0.150 (-0.006-0.305)0.059
APRI0.6910.560-0.803
Advanced fibrosis
SWE0.8930.787-0.957HA0.004 (-0.093-0.101)0.939
Type IV0.017 (-0.080-0.113)0.735
APRI0.150 (0.013-0.287)0.032
HA0.8970.792-0.960Type IV0.020 (-0.074-0.115)0.671
APRI0.154 (0.014-0.293)0.031
Type IV0.8760.767-0.947APRI0.133 (-0.010-0.277)0.069
APRI0.7430.615-0.846
Cirrhosis
SWE0.8770.768-0.947HA0.002 (-0.114-0.118)0.974
Type IV0.027 (-0.084-0.138)0.631
APRI0.194 (0.031-0.358)0.002
HA0.8790.770-0.948Type IV0.029 (-0.072-0.130)0.571
APRI0.196 (0.022-0.371)0.027
Type IV0.8500.736-0.928APRI0.167 (-0.003-0.338)0.055
APRI0.6830.551-0.796
Table 5 Comparison of diagnostic performance between shear wave elastography and noninvasive serum markers for discriminating F0-1 vs F2-4 (significant fibrosis) and F0-2 vs F3-4 (advanced fibrosis) in patients with chronic viral hepatitis (n =36)
AUROC95%CIPairwise comparison of ROC curves
FactorDifference between areas (95%CI)P value
Significant fibrosis
SWE0.9350.800-0.989HA0.277 (0.070-0.485)0.009
Type IV0.158 (-0.009-0.325)0.063
APRI0.077 (-0.066-0.220)0.289
HA0.6580.482-0.807Type IV0.119 (-0.084-0.326)0.257
APRI0.200 (-0.029-0.429)0.086
Type IV0.7770.608-0.898APRI0.081 (-0.126-0.288)0.445
APRI0.8580.701-0.951
Advanced fibrosis
SWE0.9140.771-0.980HA0.094 (-0.054-0.243)0.214
Type IV0.120 (-0.030-0.271)0.118
APRI0.086 (-0.061-0.234)0.250
HA0.8190.656-0.927Type IV0.026 (-0.120-0.172)0.725
APRI0.008 (-0.168-0.183)0.931
Type IV0.7930.626-0.909APRI0.034 (-0.153-0.221)0.722
APRI0.8270.665-0.932
Table 6 Comparison of diagnostic performance between shear wave elastography and noninvasive serum markers for discriminating F0-1 vs F2-4 (significant fibrosis) and F0-2 vs F3-4 (advanced fibrosis) with non-viral chronic liver diseases (n = 25)
AUROC95%CIPairwise comparison of ROC curves
FactorDifference between areas (95%CI)P value
Significant fibrosis
SWE0.9790.826-0.988HA0.035 (-0.058-0.128)0.465
Type IV0.035 (-0.051-0.121)0.429
APRI0.389 (0.163-0.615)0.001
HA0.9440.773-0.993Type IV0.000 (-0.103-0.103)1.000
APRI0.354 (0.137-0.572)0.001
Type IV0.9440.773-0.993APRI0.354 (0.130-0.578)0.002
APRI0.5900.378-0.781
Advanced fibrosis
SWE0.9100.726-0.985HA0.077 (-0.042-0.196)0.206
Type IV0.090 (-0.034-0.214)0.156
APRI0.295 (0.060-0.530)0.014
HA0.9870.839-1.000Type IV0.013 (-0.034-0.060)0.593
APRI0.372 (0.155-0.589)0.001
Type IV1.0000.862-1.000APRI0.385 (0.160-0.609)0.001
APRI0.6150.401-0.801