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Table 1 Characteristics of included studies to determine the prevalence of DN and association with hypertension among diabetic patients in sub-Saharan countries

From: Diabetic nephropathy and hypertension in diabetes patients of sub-Saharan countries: a systematic review and meta-analysis

Authors name Region Country Diagnostic criteria Types of DM Study design Age of subjects Sample size No of people with outcome Prevalence (%)
Rahlenbech [43] Eastern Africa Ethiopia Microalbuminuria Both types Cross-sectional ≥ 18 170 55 32.35
Sobngwi et al. [44] Central Africa Cameroon Microalbuminuria Both types Cross-sectional ≥ 18 64 34 53.13
Motala et al. [45] Southern Africa South Africa Proteinuria Both types Cross-sectional All 219 54 24.66
Wanjohi et al. [46] Eastern Africa Kenya Albuminuria Type 2 Cross-sectional ≥ 18 100 26 26.00
Rotchford and Rotchford [31] Southern Africa South Africa Microalbuminuria Both types Cross-sectional ≥ 18 254 102 40.16
Albiosu [47] Western Africa Nigeria Microalbuminuria Both types Cross-sectional ≥ 18 342 97 28.36
Alebiosu et al. [48] Western Africa Nigeria Any sign Both types Cross-sectional Not report 465 191 41.08
Agaba et al. [49] Western Africa Nigeria Microalbuminuria Type-2 Cross-sectional ≥ 18 65 32 49.23
Mafundikwa et al. [50] Eastern Africa Zimbabwe Proteinuria Type-2 Cross-sectional ≥ 18 75 16 21.33
Lutale et al. [51] Eastern Africa Tanzania Microalbuminuria Both types Cross-sectional All age 244 26 10.66
Majaliiwa et al. [52] Eastern Africa Tanzania Microalbuminuria Type-1 Cross-sectional < 18 99 29 29.29
Rahamtalla et al. [53] Eastern Africa Sudan Nephropathy Type-2 Cross-sectional ≥ 18 58 26 44.83
Rasmussen et al. [54] Eastern Africa Zambia Microalbuminuria Not-report Cross-sectional < 18 193 24 12.44
Tamba et al. [55] Central Africa Cameroon Nephropathy Type-2 Cross-sectional ≥ 18 140 35 25.00
Janmohamed et al. [56] Eastern Africa Tanzania eGFR Both types Cross-sectional ≥ 18 369 308 83.47
Ajayi et al. [57] Western Africa Nigeria eGFR Type 2 Cross-sectional ≥ 18 628 242 38.54
Deribe et al. [58] Eastern Africa Ethiopia eGFR Not report Cross-sectional ≥ 18 216 19 8.80
Fiseha et al. [59] Eastern Africa Ethiopia eGFR Both types Cross-sectional ≥ 18 214 51 23.83
Bunza et al. [60] Western Africa Nigeria Nephropathy Both types Cross-sectional ≥ 18 100 22 22.00
Ngassa et al. [61] Southern Africa South Africa Microalbuminuria Both types Cross-sectional ≥ 18 754 251 33.29
Diouf et al. [62] Western Africa Senegal Microalbuminuria Type-2 Cross-sectional ≥ 18 195 95 48.72
Chukwuani et al. [63] Western Africa Nigeria Microalbuminuria Type-2 Cross-sectional ≥ 18 200 76 38.00
Bekele [64] Eastern Africa Ethiopia Nephropathy Both types Cross-sectional ≥ 18 355 68 19.15
Ufuoma et al. [65] Western Africa Nigeria Microalbuminuria Type-2 Cross-sectional ≥ 18 200 116 58.00
Machinngura et al. [66] Eastern Africa Zimbabwe Nephropathy Both types Cross-sectional ≥ 18 344 154 44.77
Radikara [67] Southern Africa Botswana Nephropathy Type-2 Cross-sectional ≥ 18 408 259 63.48
Marie et al. [30] Central Africa Cameroon Microalbuminuria Not report Cross-sectional ≥ 18 81 28 34.57