Table 1.
Baseline characteristics of the included studies.
| First author | Publication year | Country | Study design | Sample size | Prevalence of ED (95% CI) | Data collection year | Data collection tool | Sampling technique | Quality score (10) |
|---|---|---|---|---|---|---|---|---|---|
| Baldé et al. [45] | 2006 | Guinea | Cross-sectional | 187 | 48 (40.8, 55.2) | NR | International Index of Erectile Function | NR | 7 |
| El Saghier et al. [21] | 2015 | Egypt | Cross-sectional | 70 | 85.7 (77.5, 93.9) | March 2014 to January 2015 | International Index of Erectile Function-5 | Consecutive | 7 |
| Kemp and Rheeder [39] | 2015 | South Africa | Cross-sectional | 150 | 95 (91.5, 98.5) | NR | The Sexual Health Inventory for Men | Simple random | 7 |
| Likata et al. [46] | 2012 | Kenya | Cross-sectional | 350 | 68.8 (63.9, 73.6) | NR | International Index of Erectile Function | Consecutive | 7 |
| Lokrou and Soumahoro [47] | 2011 | Ivory coast | Cross-sectional | 112 | 74.1 (65.9, 82.2) | NR | International Index of Erectile Function | Consecutive | 7 |
| Mutagaywa et al. [49] | 2014 | Tanzania | Cross-sectional | 312 | 55.1 (49.5, 60.6) | May to December 2011 | International Index of Erectile Function | NR | 7 |
| Olarinoye et al. [41] | 2006 | Nigeria | Cross-sectional | 77 | 74 (64.2, 83.8) | NR | International Index of Erectile Function | Consecutive | 7 |
| Owiredu et al. [17] | 2011 | Ghana | Cross-sectional | 300 | 67.9 (62.4, 73.3) | November 2010 to March 2011 | Golombok Rust Inventory of Sexual SATISFACTION | Consecutive | 7 |
| Pasipanodya Ian Machingura [48] | 2018 | Zimbabwe | Cross-sectional | 348 | 73.9 (69.3, 78.5) | October 23, 2013 to July 9, 2014 | International Index of Erectile Function | Consecutive | 6 |
| Seid et al. [43] | 2017 | Ethiopia | Cross-sectional | 249 | 69.9 (64.2, 75.6) | January 1–February 30, 2016 | International Index of Erectile Function | Systematic random | 8 |
| Ugwumba et al. [42] | 2018 | Nigeria | Cross-sectional | 325 | 94.7 (92.2, 97.1) | September 2016 to December 2017 | International Index of Erectile Function | Consecutive | 7 |
| Walle et al. [44] | 2018 | Ethiopia | Cross-sectional | 422 | 85.5 (82.1, 88.8) | January to March 2016 | International Index of Erectile Function | Systematic | 6 |
| Webb et al. [40] | 2014 | South Africa | Cluster randomized control trial | 599 | 36 (32.1, 39.8) | NR | Sexual Health Inventory For Men | Systematic | 8 |
NR; not reported.