Observational Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Aug 21, 2014; 20(31): 10984-10993
Published online Aug 21, 2014. doi: 10.3748/wjg.v20.i31.10984
Table 3 Rates of dose modification n (%)
All genotypes
P valueOR (95%CI)Genotype 1
P valueOR (95%CI)
< 60 yr(n = 4558)≥ 60 yr(n = 301)< 60 yr(n = 2614)≥ 60 yr(n = 245)
No dose reduction3933 (86.3)208 (69.1)0.0002.814 (2.172-3.644)2204 (84.3)166 (67.8)0.0002.558 (1.918-3.412)
Reduction of RBV286 (6.3)55 (18.3)0.0001.827 (1.560-2.140)190 (7.3)47 (19.2)0.0001.74 (1.460-2.074)
Reduction of224 (4.9)20 (6.6)0.183129 (4.9)17 (6.9)0.173
pegINF α2a
Reduction of RBV and pegINF α2a115 (2.5)18 (6.0)0.0011.349 (1.138-1.600)91 (3.5)15 (6.1)0.0391.218 (1.010-1.470)