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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 11.1 Reduction in the level of contamination in aerosols | 2 | Mean Difference (IV, Random, 95% CI) | Totals not selected | |
| 11.1.1 Chlorhexidine vs cinnamon | 1 | Mean Difference (IV, Random, 95% CI) | Totals not selected | |
| 11.1.2 Chlorhexidine vs povidone iodine | 1 | Mean Difference (IV, Random, 95% CI) | Totals not selected |
