Figure 3From: The Epstein-Barr virus latent membrane protein-1 (LMP1) 30-bp deletion and XhoI-polymorphism in nasopharyngeal carcinoma: a meta-analysis of observational studiesForest plot of the odds ratio (OR) in relation to the origin from the studies for the outcome of the 30-bp del-LMP1 (A) and XhoI-loss (B) in patients with NPC. CI = confidence interval; ID = identification of study.Back to article page