| 26 | Nassarawa | 39.60 ± 0.00 | NAD | NAD | Eke et al. [89] |
| 27 | Niger | 10.60 ± 0.00 | 9.60 ± 0.00 | 3.90 ± 0.00 | Omalu et al. [90] |
| 28 | Ogun | 9.35 ± 3.83 | 3.65 ± 0.45 | 3.75 ± 1.95 | Okonko et al. [91] , Sam-Wobo et al. [92] , Akingbade et al. [93] and Banjo et al. [94] |
| 29 | Ondo | 30.03 ± 12.06 | 16.62 ± 8.45 | 6.48 ± 2.43 | Simon-Oke et al. [95] , Akinseye et al. [96] , Dada and Aruwa [97] and Akinseye et al. [98] |
| 30 | Osun | 33.63 ± 5.52 | 11.00 ± 3.40 | 4.07 ± 2.17 | Kirwan et al. [99] , Awolaju and Morenikeji [100] , Ojurongbe et al. [101] , Ojurongbe et al. [102] , Salawu and Ughele [103] , Olaniran et al. [104] and Fafunwa et al. [105] |
| 31 | Oyo | 55.50 ± 0.00 | 35.80 ± 0.00 | 2.90 ± 0.00 | Alli et al. [106] |
| 32 | Plateau | 18.35 ± 8.86 | 10.79 ± 3.13 | 3.20 ± 1.55 | Damen et al. [107] , Jombo et al. [108] , Abelau et al. [109] , Mamman and Reuben [110] and Afolaranmi et al. [111] |
| 33 | Rivers | 9.00 ± 0.00 | 2.70 ± 0.00 | 4.00 ± 0.00 | Odu et al. [112] |
| 34 | Sokoto | 5.00 ± 0.00 | 6.60 ± 0.00 | 3.20 ± 0.00 | Mohammed et al. [113] |
| 35 | Taraba | NAD | NAD | NAD |
|
| 36 | Yobe | NAD | NAD | NAD |
|
| 37 | Zamfara | 6.50 ± 0.00 | 3.50 ± 0.00 | 5.20 ± 0.00 | Shehu et al. [114] |
| Total | 25.17 ± 2.24 | 16.86 ± 1.79 | 9.74 ± 1.82 |
| |
| p value | 0.017* | 0.001* | 0.460ns |
| |