Study | Data | Source | Adaptation |
Maclntyre et al. | Relative risk | Table 2 | |
Filtration efficacy | Last paragraph of Results section | Calculated from penetration |
Chughtai et al. | Percentage of compliance | Table 2 | |
Risk ratio from multivariate analysis | Table 3 | |
van der Sande et al. | Inward filtration efficacy | Table 2 | Calculated from penetration factor |
Rengasamy et al. | Filtration efficacy | First paragraph of results section | Calculated from penetration level |
Davies et al. | Filtration efficacy | Table 4 | Calculated from colony forming units |
Shakya et al. | Filtration efficacy | Figure 2 & 5 | Graph digitization |
Neupane et al. | Filtration efficacy | Section: filtering efficacy | |
Konda et al. | Filtration efficacy | Table 1 | |
Leakage | Conclusion | |
Ma et al. | Filtration efficacy | Table 2 | |
Cooper et al. | Leakage | Table 3 | |