Figure 4From: Bacterial vaginosis is associated with uterine cervical human papillomavirus infection: a meta-analysis Cumulative meta-analysis to evaluate small-study effect. Studies are ordered according to descending variance on odds ratios. The vertical line indicates the no-association line (OR 1.0). Each study is represented by a horizontal line, corresponding to the OR (or estimates ES) and symmetric 95% CI.Back to article page