Fig. 3

2c: Forest plot for meta-analysis of the pre- and post-treatment mean plaque scores of: (2.1) Salvadora persica, (2.2) 0.12% chlorhexidine, (2.3) 0.2% chlorhexidine, and (2.4) placebo rinse. 2d: Forest plot for meta-analysis of the post-intervention mean plaque scores of Salvadora persica in comparison to 0.12% of chlorhexidine (sub-grouped according to concentration of chlorhexidine). 2e: Forest plot for meta-analysis of the post-intervention mean plaque scores of Salvadora persica in comparison to 0.2% of chlorhexidine (sub-grouped according to concentration of chlorhexidine). [SP Salvadora persica, CHX chlorhexidine, **: significant difference at p = 0.05]