| Authors | Countries | Type of study | Sample (N) | Triple mutation dhfr (N51I + C59R + S108N) | |
| n | % (CI) | ||||
| Ruizendaal et al., 2017 | Burkina Faso | Longitudinal and cross-sectional | 921 | 625.00 | 67.86 (64.72 - 70.85) |
| Cissé et al., 2017 | Burkina Faso | Cross-sectional | 101 | 26 | 25.74 (17.79 - 35.57) |
| Somé et al., 2016 | Burkina Faso | Cross-sectional | 90 | 50 | 55.55 (44.73 - 65.90) |
| Tahita et al, 2015 | Burkina Faso | Cross-sectional | 255 | 2900 | 11.4 (7.90 - 16.08) |
| Amor et al., 2014 | Africa | Cross-sectional | 159 | 140 | 88.05 (81.73 - 92.47) |
| Ndiaye et al., 2013 | Senegal | Cross sectional | 416 | 358,00 | 86.06 (82.27 - 89.16) |
| Fall et al., 2013 | Senegal | Longitudinal | 165 | 121 | 73.33 (65.80 - 79.77) |
| Ogouyemi-Hounto et al., 2013 | Benin | Cross-sectional | 212 | 194 | 91.51 (86.70 - 94.75) |
| Moussiliou et al., 2013 | Benin | Prospective | 212 | 187 | 88.20 (82.90 - 92.08) |
| Wurtz et al., 2012 | Senegal | Longitudinal | 174 | 131 | 75.29 (68.07 - 81.36) |
| Duah et al., 2012 | Ghana | Cross-sectional | 945 | 379 | 40.10 (36.97 - 43.31) |
| Faye et al., 2011 | Senegal | Cross-sectional | 480 | 109 | 22.70 (19.09 - 26.77) |
| Alam et al., 2011 | Ghana | Cross-sectional | 98 | 57 | 58.16 (47.76 - 67.91) |