Prevalence of diabetic nephropathy (n=40 studies): pooled prevalence=31% (95% CI 22 to 41, I2=99.3% 95% CI 99.2 to 99.4) and I2 after meta-regression: 95.6%). Prevalence of diabetic nephropathy per region: Central: 22% (95% CI 9 to 39), Eastern: 25% (95% CI 10 to 43), Southern: 28% (95% CI 18 to 40), Northern: 38% (95% CI 14 to 65) and Western: 47% (95% CI 25 to 69). | ||||||
Author and year | No. of study participants | Country (ies) | Region of Africa | Mean age of participants | % of females | Prevalence of nephropathy, % |
Abejew et al 201519 | 216 | Ethiopia | Eastern | 45.0 | 42.6 | 2.2 |
Adeniyi et al 2020100 | 327 | South Africa | Southern | – | 70.3 | 24.5 |
Adentunji et al 200660 | 50 | Nigeria | Western | – | – | 83.0 |
Ahmed et al 201782 | 316 | Sudan | Northern | 58.0 | 41.5 | 40.2 |
Albalawi et al 202083 | 159 | Sudan | Northern | 58.1 | 65.4 | 26.4 |
Alebiosu et al 201362 | 342 | Nigeria | Western | 53.4 | – | 28.4 |
Amour et al 201921 | 315 | Tanzania | Eastern | 57.2 | 65.7 | 72.2 |
Balogun et al 201164 | 40 | Nigeria | Western | 59.4 | 62.5 | 90.0 |
Bello et al 201766 | 358 | Nigeria | Western | 57.8 | 61.7 | 53.4 |
Bentata et al 201588 | 637 | Morocco | Northern | 58.5 | 62.3 | 77.2 |
Blum et al 2020117 | 319 | DRC | Central | – | 33.5 | 38.6 |
Bouaziz et al 201289 | 73 | Tunisia | Northern | 59.3 | – | 11.0 |
Chahbi et al 201891 | 300 | Morocco | Northern | – | 93.0 | 26.3 |
Cohen et al 2010105 | 620 | Malawi | Southern | 52.2 | 60.1 | 34.7 |
Deribe et al 201427 | 216 | Ethiopia | Eastern | 50.7 | 40.3 | 8.8 |
Dzudie et al 2012118 | 420 | Cameroon | Central | 56.7 | 51.0 | 15.9 |
Efundem et al 2017119 | 162 | Cameroon | Central | 55.3 | 67.3 | 14.2 |
Eghan et al 200769 | 109 | Ghana | Western | 54.1 | 75.0 | 43.0 |
Fasil et al 201928 | 367 | Ethiopia | Eastern | 48.6 | 59.3 | 4.4 |
Gill et al 200830 | 105 | Ethiopia | Eastern | 41.0 | 30.0 | 51.0 |
Goro et al 201931 | 208 | Ethiopia | Eastern | 54.8 | 47.1 | 26.0 |
Hayfron-Benjamin et al 201970 | 206 | Ghana | Western | 52.9 | 68.9 | 32.0 |
Janmohamed et al 201332 | 369 | Tanzania | Eastern | 54.0 | 53.4 | 83.7 |
Kahloun et al 201496 | 2320 | Tunisia | Northern | – | 60.2 | 3.4 |
Khalil et al 201986 | 506 | Egypt | Northern | – | – | 33.2 |
Lebeta et al 201738 | 344 | Ethiopia | Eastern | 40.5 | 42.7 | 11.4 |
Machingura et al 2017108 | 260 | Zimbabwe | Southern | 57.6 | 72.7 | 45.4 |
Makwero et al 2018109 | 150 | Lesotho | Southern | 58.2 | 80.7 | 6.7 |
Megallaa et al 201997 | 180 | Egypt | Northern | – | 24.4 | 86.1 |
Mohmad et al 201181 | 71 | Sudan | Central | – | 42.0 | 50.7 |
Molefe-Baikai et al 2018110 | 289 | Botswana | Southern | 50.7 | 66.1 | 44.6 |
Muddu et al 201946 | 175 | Uganda | Eastern | 46.0 | 48.6 | 47.4 |
Neuhann et al 200148 | 474 | Tanzania | Eastern | 53.8 | 46.0 | 7.5 |
Olamoyegun et al 201576 | 90 | Nigeria | Western | 62.5 | 50.0 | 54.3 |
Rotchford et al 2002113 | 253 | South Africa | Southern | 56.5 | 73.1 | 46.4 |
Sobngwi et al 20113 | 2352 | Tanzania, Kenya, Cameroon, Ghana, Senegal and Nigeria | Eastern, Western and Central | 53.0 | 61.1 | 2.4 |
Tesfaye et al 201553 | 247 | Ethiopia | Eastern | – | 40.5 | 6.5 |
Thinyane et al 2013114 | 80 | Lesotho | Southern | 49.0 | 49.0 | 6.0 |
Uloko et al 201267 | 531 | Nigeria | Western | 57.1 | 60.5 | 3.2 |
Worku et al 201057 | 305 | Ethiopia | Eastern | 44.4 | 37.1 | 15.7 |