Table 3 Characteristics of the selected studies
From: Thyrotoxicosis in Africa: a systematic review and meta-analysis of the clinical presentation
| Â | Study | Sample size | Country | Year | Study type |
|---|---|---|---|---|---|
1 | Olurin [36] | 46 | Nigeria | 1972 | Retrospective |
2 | Abdulkadir et al [37] | 46 | Ethiopia | 1982 | Prospective |
3 | Mengistu [38] | 163 | Ethiopia | 1993 | Prospective |
4 | Niakara et al [39] | 32 | Burkina Faso | 2000 | Retrospective |
5 | Akossou et al [40] | 82 | Togo | 2001 | Retrospective |
6 | Sigilai [41] | 162 | Kenya | 2003 | Retrospective |
7 | Mohammed [42] | 49 | Sudan | 2004 | Prospective |
8 | Osime & Okobia [43] | 50 | Nigeria | 2004 | Retrospective |
9 | Chuhwak & Obekpa [44] | 103 | Nigeria | 2006 | Retrospective |
10 | Ogbera et al [45] | 103 | Nigeria | 2007 | Prospective |
11 | Ogbera et al [46] | 78 | Nigeria | 2007 | Retrospective |
12 | Okosieme et al [47] | 69 | Nigeria | 2007 | Prospective |
13 | Sidibe et al [48] | 38 | Mali | 2007 | Cross-sectional |
14 | Ali & Naa’aya [49] | 174 | Nigeria | 2009 | Retrospective |
15 | Hattaoui et al [50] | 36 | Morocco | 2009 | Prospective |
16 | Ali et al [51] | 53 | Nigeria | 2012 | Prospective |
16 | Kebede et al [52] | 233 | Ethiopia | 2012 | Cross-sectional |
17 | Onyenekwe [53] | 172 | Nigeria | 2013 | Retrospective |
18 | Jaja & Yarhere [54] | 5 | Nigeria | 2014 | Retrospective |
19 | Ajibare [55] | 47 | Nigeria | 2015 | Cross-sectional |
20 | Dionadji [56] | 125 | Chad | 2015 | Retrospective |
21 | Ekpebegh et al [57] | 57 | South Africa | 2015 | Cross-sectional |
22 | Balde et al [58] | 49 | Guinea | 2016 | Retrospective |
23 | Diagne et al [59] | 108 | Senegal | 2016 | Retrospective |
24 | Edo et al [60] | 35 | Nigeria | 2016 | Retrospective |
25 | Ogun & Adeleye [61] | 75 | Nigeria | 2016 | Cross-sectional |
26 | Sarr et al [62] | 878 | Senegal | 2016 | Retrospective |
27 | Ackuaku-Dogbe et al [63] | 116 | Ghana | 2017 | Cross-sectional |
28 | Boiro et al | 239 | Senegal | 2017 | Retrospective |
29 | Debebe et al [64] | 51 | Ethiopia | 2017 | Retrospective |
30 | Anakwue [65] | 50 | Nigeria | 2018 | Prospective |
31 | Ayandipo [66] | 228 | Nigeria | 2018 | Retrospective |
32 | Azagoh-Kouadio et al [67] | 27 | Cote d’Ivore | 2018 | Retrospective |
33 | Darouassi et al [68] | 60 | Morocco | 2018 | Retrospective |
34 | Diedhiou et al [69] | 624 | Senegal | 2018 | Retrospective |
35 | El-Shareif [70] | 145 | Libya | 2018 | Retrospective |
36 | Sarfo-Kantanka et al [71] | 182 | Ghana | 2018 | Cross-sectional |
37 | Gebreyohannes et al [72] | 211 | Ethiopia | 2019 | Retrospective |
38 | Isah [73] | 352 | South Africa | 2019 | Retrospective |
39 | Mohammed & Hassanein [74] | 60 | Egypt | 2019 | Experimental |
40 | Mulatu [75] | 146 | Ethiopia | 2019 | Cross-sectional |
41 | Ojo et al [76] | 38 | Nigeria | 2019 | Cross-sectional |
42 | Okafor et al [20] | 151 | Nigeria | 2019 | Prospective |
43 | Toyib et al [77] | 33 | Ethiopia | 2019 | Cross-sectional |
44 | Yazidi et al [78] | 538 | Tunisia | 2019 | Retrospective |
45 | Adeleye et al [79] | 61 | Nigeria | 2020 | Retrospective |
46 | Boundia et al [80] | 1040 | Senegal | 2020 | Retrospective |
47 | Demba et al [81] | 210 | Senegal | 2020 | Retrospective |
48 | Ersumo et al [82] | 589 | Ethiopia | 2020 | Retrospective |
49 | Mariko et al [83] | 70 | Mali | 2020 | Retrospective |
50 | Mohammed [84] | 159 | Ethiopia | 2020 | Cross-sectional |
51 | Abera et al [85] | 89 | Ethiopia | 2021 | Cross-sectional |
52 | Docrat et al [86] | 171 | South Africa | 2021 | Retrospective |
53 | Kiffle et al [87] | 211 | Ethiopia | 2021 | Cross-sectional |
54 | Maldey et al [88] | 336 | Ethiopia | 2021 | Retrospective |
55 | Mendes [89] | 31 | South Africa | 2021 | Retrospective |
56 | Ruto [90] | 124 | Kenya | 2021 | Cross-sectional |
57 | Sylla et al [91] | 26 | Senegal | 2021 | Retrospective |
59 | Balde et al [92] | 156 | Guinea | 2022 | Cross-sectional |