Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 14, 2013; 19(26): 4234-4241
Published online Jul 14, 2013. doi: 10.3748/wjg.v19.i26.4234
Figure 1
Figure 1 Flowchart of selection of studies for inclusion in meta-analysis. HBV: Hepatitis B virus; HCV: Hepatitis C virus.
Figure 2
Figure 2 Forest plots of risk of pancreatic cancer. A: Associated with chronic hepatitis B (HBsAg carrier state) around the world and Chinese population; B: Associated with anti-HBc status; C: Associated with active hepatitis B virus viral replication and anti-HBs status; D: Associated with hepatitis C virus infection.
Figure 3
Figure 3 Begg’s funnel plot with 95% confidence limits to detect publication bias. Each point represents a separate study for the indicated association.