OR (95% CI)* P* OR (95%CI)** P**
Age   0.1   0.70
Male gender   0.2   0.1
IDU 2.5 (1.6-3.9) <0.001 2.0 (0.9-4.1) 0.08
<100% Adherence -- -- 11.1 (3.8-33) <0.001
HAART change 1.8 (1.0-3.2) 0.03   0.4
Any toxicity   0.2 2.0 (0.9-4.5) 0.08
Treated in 1998 3.6 (2.2-5.7) <0.001 3.1(1.5-6.3) 0.003
* Logistic regression model including 514 observations, with an area under the ROC curve = 0.74 and a Hosmer-Lemeshow goodness of fit test p-value= 0.3. ** Logistic regression model including only those patients for whom adherence data were available (n=255), with an area under the ROC curve = 0.80 and a Hosmer- Lemeshow goodness of fit test p-value= 0.5.
Table 3: Logistic regression predicting virological failure at 48 weeks.
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