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Epidemiology Diabetes Surveys in South Africa (Glucose-based)
Epidemiology Diabetes Surveys in South Africa (Glucose-based)
Table: Prevalence of diabetes mellitus (D), impaired fasting glucose (IFG) and impaired glucose tolerance (IGT) in cross-sectional community surveys in South Africa, based on World Health Organisation (WHO) and American Diabetes Association (ADA) criteria
| Ethnic group Province |
Author Year | Urban (U) / Rural (R)/Peri-urban (P-U) | n | Age (yr) | Method** | Prevalence (%)† |
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| D | IfG | IGT | ||||||
| 1985 WHO criteria | ETHNIC GROUP AFRICAN (BLACK) |
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| KwaZulu-Natal | Omar 1993 |
U | 479 | >15 | OGTT | 5.3 | - | 7.7 |
| Western Cape | Levitt 1993 |
U | 729 | >30 | OGTT | 8.0 | - | 7.0 |
| Free State | Mollentze 1995 |
U | 758 | >25 | OGTT | 6.0 | - | 12.2 |
| P-U | 853 | >25 | OGTT | 4.8 | - | 10.7 | ||
| MIXED ANCESTORY ‡ | ||||||||
| Western Cape | Levitt 1999 |
P-U | 974 | >15 | OGTT | 10.8 | - | 10.2 |
| ASIAN INDIAN | ||||||||
| KwaZulu-Natal | Omar 1994 | U | 2479 | >15 | OGTT |
13.0 | - | 6.9 |
| 1998 WHO and 1997 / 2003 ADA criteria |
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| AFRICAN (BLACK) |
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| KwaZulu-Natal | Motala 2008 | R | 1021 | >15 | OGTT | 3.9 | 1.5 | 4.8 |
| Western Cape | Peer 1012 | U | 1099 | 25-74 | OGTT | 13.1 | 1.2 | 11.2 |
| KwaZulu-Natal | Hird T 2016 |
U | 1190 | > 18 | OGTT | 12.9 | 0.8 | 3.5 |
| MIXED ANCESTORY ‡ |
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| Western Cape | Erasmus 2012 | U | 642 | > 31 | OGTT | 26.3 | 3.2 | 15.0 |
**OGTT: 75g oral glucose tolerance test
†Age- adjusted prevalence
‡Khoi - East Indian - Europid
Reference
Mbanya JCN, Motala AA, Sobngwi E, Assah FK, Enoru ST. Diabetes in sub-Saharan Africa. Lancet. 2010;375(9733):2254-2266. doi:10.1016/S0140-6736(10)60550-8.