Research Article

Combined Liver Stiffness and Α-fetoprotein Further beyond the Sustained Virologic Response Visit as Predictors of Long-Term Liver-Related Events in Patients with Chronic Hepatitis C

Table 1

Patient characteristics.

VariablesIFN-based therapyDAA-based therapy value
Total nMedian (IQR) or nTotal nMedian (IQR) or n

Age, years (TW0)40654 (45–60)11465 (58–73)<0.001
Sex, male/female406214/19211446/680.026
Body mass index, kg/m2 (TW0)40624.2 (22.3–26.3)11424.2 (22.8–26.0)0.592
HCV RNA log10, IU/mL (TW0)4066.22 (5.42–6.71)1146.76 (6.09–7.08)<0.001
HCV genotype, 1/non-1406203/20311493/21<0.001
Clinical cirrhosis, % (TW0)40632/406 (7.9%)11431/114 (27.2%)<0.001
AST, U/L (TW0)40660 (40–98)11156 (37–85)0.136
ALT, U/L (TW0)40684 (52–137)11466 (41–106)0.001
AFP, ng/mL (TW0)4064.71 (3.03–9.32)1045.51 (3.06–11.26)0.181
AFP, ng/mL (SVR)4032.90 (2.06–4.15)1053.46 (2.46–5.56)0.004
AFP, ng/mL (Y3PSVR)3152.84 (2.11–3.95)1083.19 (2.21–3.94)0.334
AFP decline, % (from SVR to Y3PSVR)3140 (−17.23–16.99)10011.97 (−3.00–26.70)<0.001
Albumin, g/dL (TW0)4014.30 (4.10–4.60)1094.30 (4.10–4.50)0.468
Bilirubin, mg/dL (TW0)4060.93 (0.70–1.14)1130.90 (0.70–1.10)0.235
eGFR, mL/min/1.73 m2 (TW0)40699.52 (70.07–144)11492.55 (76.14–106)0.036
HbA1c, % (TW0)4055.7 (5.4–6.0)995.7 (5.4–6.1)0.900
WBC, ×103/μL (TW0)4065.30 (4.30–6.52)1144.85 (3.99–6.32)0.059
Hemoglobin, g/dL (TW0)40614.0 (13.1–15.1)11414.1 (13.0–15.0)0.830
Platelet, ×103/μL (TW0)406165 (125–204)114143 (107–185)0.012
INR (TW0)4061.04 (0.99–1.10)1131.02 (0.99–1.09)0.225
LS, m/s (TW0)3091.46 (1.21–2.06)781.89 (1.28–2.27)0.014
LS, m/s (SVR)2951.21 (1.06–1.48)721.53 (1.25–2.06)<0.001
Median follow-up, months (post-SVR)40688.8 (54.0–110.6)11441.7 (39.1–55.1)<0.001
LREs (post-SVR)244NA
Incidence rate, /100 person-year0.81.0NA
HCC (post-SVR)173NA
LS, m/s (Y3PSVR)3701.15 (1.02–1.34)861.21 (1.05–1.42)0.118
LS decline, % (from SVR to Y3PSVR)2684.89 (−4.25–18.49)548.94 (−1.23–22.02)0.131
Median follow-up, months (post-Y3PSVR)35255.86 (32.75–80.16)5513.00 (5.00–17.00)<0.001
LREs (post-Y3PSVR)141NA
HCC (post-Y3PSVR)100NA

Data are presented as medians (interquartile ranges) or n. Decline = (preceding minus next values)/preceding value. AFP, α-fetoprotein; ALT, alanine aminotransferase; AST, aspartate aminotransferase; DAA, direct-acting antiviral; eGFR, estimated glomerular filtration rate (modification of diet in renal disease formula); HbA1c, hemoglobin A1c; HCC, hepatocellular carcinoma; HCV, hepatitis C virus; IFN, interferon; INR, international normalized ratio; LRE, liver-related event; LS, liver stiffness; SVR, sustained virologic response (visit); TW0, treatment baseline; WBC, white blood cell; Y3PSVR, year 3 post-SVR.