Figure 2. Baseline plasma IP-10 values according to patient characteristics.

Baseline plasma IP-10 levels are shown by: a) HCV RNA above or below 400,000 IU/mL b) IL28B genotype c) HCV genotype (1 vs. non-1) d) sex e) ethnicity (Caucasian vs. other) f) HIV status and g) the presence or absence of symptoms at presentation. Mean plasma IP-10 levels were compared using the student’s t-test with Welch’s correction for unequal variances as appropriate.