Olawale et al., 2011 [17] |
1 |
2 |
- |
- |
- |
- |
- |
3 |
Olawale et al., 2014 [19] |
- |
10 |
- |
- |
- |
- |
- |
10 |
Olawale et al., 2015 [20] |
- |
77 |
- |
- |
- |
- |
- |
77 |
Nsofor et al., 2016 [29] |
4 |
3 |
- |
- |
- |
- |
- |
7 |
Ekuma et al., 2016 [22] |
3 |
- |
9 |
1 |
- |
- |
- |
13 |
Adesida et al., 2017 [23] |
6 |
3 |
- |
- |
- |
- |
- |
9 |
David et al., 2017 [24] |
- |
27 |
- |
- |
- |
- |
- |
27 |
Enenya et al., 2017 [35] |
2 |
- |
1 |
1 |
- |
- |
- |
4 |
Ndubuisi et al., 2017 [26] |
12 |
10 |
1 |
- |
9 |
1 |
1 |
34 |
Igbinosa & Beshiru., 2019 [33] |
13 |
8 |
1 |
- |
- |
- |
- |
22 |
Igbinosa & Raje, 2019 [34] |
7 |
8 |
- |
2 |
- |
3 |
3 |
23 |
Shettima & Iregbu, 2019 [27] |
3 |
- |
2 |
1 |
- |
- |
- |
6 |
|
51 (21.7%)
|
148 (62.98%)
|
14 (5.96%)
|
5 (2.13%)
|
9 (3.83%)
|
4 (1.70%)
|
4 (1.70%)
|
235
|