Abstract:
BACKGROUND:In Japan, generally, patients with chronic hepatitis C are aged. The aim of this study was to investigate the effect of interferon (IFN) therapy on the mortality of chronic hepatitis C patients over age 60. METHODS:Seven-hundred and seven patients with histologically proven chronic hepatitis C were enrolled in this study; 649 received IFN therapy (IFN group) and 58 did not (control group). The standardized mortality ratio (SMR) and Cox proportional hazard regression analysis were used to evaluate the effect of IFN on the survival of the patients. RESULTS:Mean follow-up periods in the IFN and control groups were 5.7 and 6.7 years, respectively. During follow-up, 13 patients in the control group died (7 of liver-related diseases) and 42 in the IFN group died (29 of liver-related diseases). The SMRs of the control and IFN groups were 1.40 (95% confidence interval [CI], 0.76-2.45) and 0.73 (95% CI, 0.52-0.98) for overall death, and 10.70 (95% CI, 4.29-22.05) and 5.05 (95% CI, 3.38-7.26) for liver-related death, respectively. Sustained and transient biochemical responders in the IFN group (SMR, 0.53; 95% CI, 0.01-2.97 and SMR, 3.25; 95% CI, 0.87-8.32, respectively) showed lower liver-related mortality compared with the control group. In patients with sustained virological response, liver-related mortality was also very low (SMR, 0.65; 95% CI, 0.01-3.61). The risk for liver-related death of sustained and transient biochemical responders was also low compared with that of the control group (adjusted risk ratios 0.10 [95% CI, 0.01-0.95] and 0.50 [95% CI, 0.11-2.21], respectively). CONCLUSIONS:These results suggest that IFN treatment could reduce liver-related mortality in chronic hepatitis C patients over age 60, notably in patients showing a biochemical response and in those showing a sustained virological response.
journal_name
J Gastroenteroljournal_title
Journal of gastroenterologyauthors
Imai Y,Kasahara A,Tanaka H,Okanoue T,Hiramatsu N,Tsubouchi H,Yoshioka K,Kawata S,Tanaka E,Hino K,Hayashi K,Tamura S,Itoh Y,Sasaki Y,Kiyosawa K,Kakumu S,Okita K,Hayashi Ndoi
10.1007/s00535-004-1448-0subject
Has Abstractpub_date
2004-11-01 00:00:00pages
1069-77issue
11eissn
0944-1174issn
1435-5922journal_volume
39pub_type
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