First authors | Publication year | Study method | Study area | Region | Sample size | Cases | Prevalence with 95% CI |
---|---|---|---|---|---|---|---|
Mulatu [59] | 2014 | Cross-sectional | Hawassa town | SNNPR | 158 | 20 | 13 (8–19) |
Tafa [55] | 2014 | Cross-sectional | Jimma town | Oromia | 227 | 38 | 17 (12–22) |
Lengerh [56] | 2013 | Cross-sectional | Gondar town | Amhara | 285 | 44 | 15 (11–20) |
Kebede [60] | 2017 | Cross-sectional | Hawassa town | SNNPR | 215 | 13 | 6 (3–10) |
Asrat [61] | 1997 | Case control | Addis Ababa city | Addis Ababa | 630 | 66 | 10 (8–13) |
Ewunatu [57] | 2010 | Cross-sectional | Bahir Dar town | Amhara | 210 | 16 | 8 (4–12) |
Awole [54] | 2002 | Cross-sectional | Jimma town | Oromia | 372 | 13 | 3 (2–6) |
Mitike [58] | 2000 | Cross-sectional | Dembia district | Amhara | 153 | 16 | 10 (7–16) |