| Authors | Publication year | Region | Study area | Type of patients | Study setting | Sample size | Case | Prevalence (95% CI) | Quality |
| Alemu et al. | 2012 [23] | Amhara | Gondar | Pregnant women | Hospital based | 385 | 40 | 10.4 (6.2, 15.4) | 5 | Ferede et al. | 2012 [24] | Amhara | Gondar | Pregnant women | Hospital based | 200 | 24 | 12 (8.1, 17.4) | 5 | Yismaw et al. | 2012 [25] | Amhara | Gondar | Diabetic patients | Hospital based | 422 | 75 | 17.8 (13.8, 22.1) | 4 | Emiru et al. | 2013 [26] | Amhara | Bahir Dar | Pregnant women | Hospital based | 367 | 35 | 9.5 (5.3, 14.2) | 5 | Derese et al. | 2016 [28] | Eastern | Dire Dawa | Pregnant women | Institutional based | 186 | 26 | 14.0 (11.3, 18.7) | 5 | Gessese et al. | 2017 [30] | Oromia | Ambo | Pregnant women | Hospital based | 300 | 56 | 18.7 (14.4, 23.5) | 6 | Nigussie and Amsalu | 2017 [31] | Sidama | Hawassa | Diabetic patients | Hospital based | 240 | 33 | 13.8 (10.5, 17.7) | 5 | Regea et al. | 2017 [32] | Oromia | Nekemte | Diabetic patients | Institutional based | 200 | 33 | 16.5 (12.8, 20.5) | 4 | Abate et al. | 2017 [33] | Eastern | Harar | Diabetic patients | Facility based | 240 | 37 | 15.4 (12.4, 20.8) | 5 | Taye et al. | 2018 [36] | Oromia | Bale | Pregnant women | Institutional based | 169 | 44 | 26.0 (15.6, 28.8) | 5 | Negussie et al. | 2018 [37] | Eastern | Jigjiga | Pregnant women | Hospital based | 190 | 25 | 13.2 (9.3, 18.5) | 5 | Gutema et al. | 2018 [40] | Oromia | Metu | Diabetic patients | Institutional based | 233 | 39 | 16.7 (12.0, 21.5) | 6 | Tula et al. | 2020 [43] | Sidama | Hawassa | Pregnant women | Hospital based | 296 | 23 | 7.8 (4.7, 10.8) | 6 | Abate et al. | 2020 [45] | Eastern | Harar | Pregnant women | Facility based | 638 | 90 | 14.1 (11.6, 17.8) | 5 | Belete | 2020 [48] | Amhara | Dessie | Pregnant women | Hospital based | 323 | 50 | 15.5 (13.6, 19.5) | 5 | Biset et al. | 2020 [49] | Amhara | Gondar | Pregnant women | Hospital based | 384 | 61 | 15.9 (12.8, 20.1) | 6 | Alemu et al. | 2020 [50] | Amhara | Dessie | Diabetic patients | Hospital based | 336 | 39 | 11.6 (7.3, 16.50) | 5 | Mohammed et al. | 2020 [51] | Sidama | Hawassa | Diabetic patients | Hospital based | 247 | 26 | 10.5 (6.5, 13.2) | 5 | Zebene et al. | 2021 [54] | Addis Ababa | Addis Ababa | Pregnant women | Hospital based | 424 | 63 | 14.9 (11.8, 19.2) | 5 | Ejerssa et al. | 2021 [55] | Eastern | Harar | Pregnant women | Hospital based | 200 | 31 | 15.5 (13.5, 19.4) | 5 | Nigussie et al. | 2021 [56] | Oromia | Goba | Pregnant women | Hospital based | 234 | 56 | 23.9 (13.7, 24.5) | 5 | Worku et al. | 2021 [57] | Addis Ababa | Addis Ababa | Diabetic patients | Hospital based | 225 | 22 | 9.8 (7.10, 12.70) | 4 | Oumer et al. | 2022 [59] | Amhara | Kombolcha | Diabetic patients | Facility based | 282 | 57 | 20.2 (17.3, 25.8) | 5 | Worku et al. | 2022 [60] | Amhara | Debre Tabor | Diabetic patients | Hospital based | 250 | 28 | 11.2 (7.6, 15.3) | 5 | Assegu | 2022 [61] | Sidama | Hawassa | Diabetic patients | Hospital based | 300 | 44 | 14.7 (11.7, 19.3) | 5 |
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