“…Seven papers provided data from eras pre- and post- HAART introduction [11, 17-22]. For pre-HAART analysis, 10 studies were excluded for one or more of the following reasons: 1) AIDS and overall mortality were combined as a single endpoint [17, 23, 24], 2) lack of HCV-negative control [21, 25, 26] or 3) data were not able to be pooled [22, 27-29]. As a result, data were extracted for 10 studies [11, 18-20, 30-35].…”