Fig. 6—
Deeks funnel plot; p = 0.01 suggests that likelihood of publication bias is high. Numbers in circles are study number, in same order as shown in Table I. ESS = effective sample size.
Deeks funnel plot; p = 0.01 suggests that likelihood of publication bias is high. Numbers in circles are study number, in same order as shown in Table I. ESS = effective sample size.