The effectiveness of retreatment with peginterferon alfa and ribavirin in patients with chronic viral hepatitis C genotype 2 and 3: a prospective cohort study in Brazil

Table 7 Multivariate analyse of factors predictive of SVR through regression of poisson

Parameter	RR (IC 95%)	p*
Age (yrs)	0.98 (0.97-0.99)	0.005
ALT/TGO (U/I)	1.00 (0.99-1.01)	0.216
Histological diagnosis
Fibrosis stage 0-2	1.68 (1.19-2.37)	0.004
Fibrosis stage 3-4	1.00
Response to previous treatment
Non-responders	1.00
Relapsers	1.46 (1.05-2.02)	0.023

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