Table 4.

Logistic regression model to predict complete sustained response in non-responders retreated with interferon and ribavirin

Variable	Code	β	SE	p Value	Odds ratio	95% CI
Age	0: <45	−0.47	0.23	0.04	0.62	0.38–0.98
	1: ≥45
γ-glutamyltransferase	0: Normal	−0.61	0.26	0.01	0.54	0.32–0.90
	1: Elevated
Second IFN course total dose  (MU)	0: <432 MU	0.81	0.31	0.008	2.25	1.22–4.14
	1: ≥432 MU

Model χ² = 17.8 with 3 df, p < 0.001.

IFN, α interferon; MU, mega units.