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72
Clinical outcomes were comparable between chronic
hepatitis B patients with virological response using oral
antiviral therapy and inactive carriers when adjusting
for fibrotic burden
Hye Soo Kim1, Beom Kyung Kim2, Seung Up Kim2, Jun Yong Park2,
Do Young Kim2, Sang Hoon Ahn2, Kwang-Hyub Han2; 1Yonsei
University College of Medicine, Seoul, Korea (the Republic of);
2Department of Internal Medicine, Yonsei University College of
Medicine, Seoul, Korea (the Republic of)
Background/aims: We aimed to compare the risk of developing
hepatocellular carcinoma (HCC) between patients with
chronic hepatitis B (CHB) who achieved virological response
(VR) by nucleos(t)ide analogues (NUC-VR group) and patients
with inactive CHB phase (ICHB group), after adjusting for
fibrotic burden by liver stiffness (LS) using transient elastography.
Methods: To adjust for imbalances between the NUC-VR
group (HBV-DNA < 2,000 IU/mL) (n=1,964) and the ICHB
group (n=825), propensity-score matching (PSM) was performed
at a 1:1 ratio, based upon the following: 1) age,
gender, diabetes, platelet count, albumin, and total bilirubin
as well as ultrasonographic cirrhosis (PSM model-1), 2) the
above 6 variables and LS (PSM model-2), and 3) the above
6 variables, LS, and ultrasonographic cirrhosis (PSM model-
3). The cumulative rates of HCC development were assessed
using Kaplan-Meier analysis and compared using the Klein and
Moeschberger method. Results: Among the study population,
PSM resulted in 728, 739, and 724 pairs for PSM model-1,
PSM model-2, and PSM model-3, respectively. The cumulative
rates of HCC development at 7 years between the NUC-VR
and ICHB groups were similar in all models (7.9% vs. 10.8%
by PSM model-1, 6.5% vs. 10.4% by PSM model-2, and 7.9%
vs. 10.8% by PSM model-3, all p > 0.05). When PSM was
performed in sub-cohorts with and without ultrasonographic cirrhosis
using PSM model-2, the cumulative rates of HCC development
at 7 years also remained similar between the NUC-VR
and ICHB groups (all p > 0.05). Conclusions: The NUC-VR
group has a similar risk of HCC development compared to the
ICHB group after properly adjusting for fibrotic burden.
Disclosures:
The following people have nothing to disclose: Hye Soo Kim, Beom Kyung Kim,
Seung Up Kim, Jun Yong Park, Do Young Kim, Sang Hoon Ahn, Kwang-Hyub
Han
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