Open Access
Review Article
Table 1
Overview of the survey data included in the analysis stratified by state.
| Location |
Survey year |
Diagnostic technique |
Survey type |
Prevalence | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Unique | 1960s | 1970s | 1980s | 1990s | 2000+ | RS | SD | FT | DT | CB | SB | HB | ||
| Ogun | 45 | 41 | 0 | 1 | 0 | 5 | 9 | 4 | 9 | 1 | 1 | 8 | 7 | 0 | 12,400 |
| Ekiti | 18 | 12 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 9464 |
| Benue | 19 | 9 | 0 | 0 | 1 | 0 | 4 | 0 | 4 | 1 | 0 | 3 | 1 | 1 | 5735 |
| Edo | 50 | 10 | 0 | 0 | 0 | 1 | 8 | 1 | 8 | 0 | 0 | 7 | 2 | 0 | 5174 |
| Kano | 7 | 6 | 0 | 0 | 1 | 0 | 3 | 1 | 3 | 0 | 0 | 2 | 2 | 0 | 3731 |
| Cross River | 11 | 1 | 0 | 0 | 0 | 5 | 7 | 1 | 4 | 7 | 0 | 3 | 8 | 1 | 3168 |
| Osun | 21 | 20 | 0 | 1 | 2 | 2 | 7 | 2 | 5 | 5 | 0 | 4 | 7 | 1 | 3138 |
| Rivers | 5 | 4 | 0 | 0 | 0 | 1 | 3 | 1 | 3 | 0 | 0 | 3 | 1 | 0 | 2868 |
| Lagos | 15 | 10 | 2 | 2 | 5 | 0 | 2 | 3 | 4 | 3 | 1 | 3 | 8 | 0 | 2809 |
| Enugu | 22 | 17 | 0 | 0 | 1 | 2 | 3 | 2 | 1 | 3 | 0 | 2 | 4 | 0 | 2626 |
| Oyo | 18 | 15 | 2 | 5 | 0 | 3 | 6 | 1 | 14 | 1 | 0 | 7 | 8 | 1 | 2517 |
| Plateau | 14 | 10 | 0 | 0 | 0 | 2 | 4 | 1 | 5 | 0 | 0 | 4 | 2 | 0 | 2476 |
| Ebonyi | 40 | 39 | 0 | 0 | 0 | 0 | 9 | 2 | 6 | 1 | 0 | 3 | 5 | 1 | 2471 |
| Abia | 31 | 23 | 0 | 0 | 1 | 2 | 2 | 1 | 3 | 1 | 0 | 3 | 2 | 0 | 2162 |
| Katsina | 6 | 4 | 0 | 5 | 0 | 0 | 0 | 0 | 4 | 1 | 0 | 3 | 2 | 0 | 1863 |
| Ondo | 19 | 18 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 1508 |
| Imo | 28 | 22 | 0 | 0 | 0 | 0 | 4 | 2 | 3 | 0 | 0 | 4 | 0 | 0 | 1485 |
| Anambra | 8 | 6 | 0 | 0 | 0 | 3 | 3 | 0 | 4 | 2 | 1 | 2 | 4 | 0 | 1100 |
| Delta | 41 | 16 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 1085 |
| Borno | 3 | 2 | 0 | 0 | 1 | 0 | 2 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 983 |
| Kaduna | 9 | 5 | 0 | 1 | 2 | 1 | 3 | 1 | 5 | 1 | 0 | 3 | 2 | 3 | 868 |
| Niger | 13 | 8 | 0 | 0 | 1 | 0 | 3 | 1 | 4 | 0 | 0 | 1 | 3 | 0 | 543 |
| Kogi | 22 | 18 | 1 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 1 | 0 | 450 |
| Kebbi | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 406 |
| FCT | 6 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 360 |
| Taraba | 3 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 1 | 0 | 327 |
| Sokoto | 5 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 296 |
| Kwara | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 193 |
| Bauchi | 4 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 181 |
| Yobe | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 127 |
| Zamfara | 6 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 117 |
| Adamawa | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 101 |
| Akwa Ibom | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Bayelsa | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Nasarawa | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Jigawa | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
| Gombe | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – |
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