Figure 4

(A) Forest plot of comparison: G-G method was compared with IANB method, outcome: positive aspiration rate. (B) Forest plot of comparison: V-A method was compared with IANB method, outcome: positive aspiration rate.
(A) Forest plot of comparison: G-G method was compared with IANB method, outcome: positive aspiration rate. (B) Forest plot of comparison: V-A method was compared with IANB method, outcome: positive aspiration rate.