(a).

Authors	Year	Country	Region	Study design	Setting	Sample size	Number of cases	Burden/10,000	Duration of study/months	Quality of study
Abbey et al. [37]	2017	Nigeria	Western Africa	Cross-sectional	Hospital-based	7,670	28	36.51	48	Medium
Adane and Seyoum [11]	2018	Ethiopia	Eastern Africa	Cross-sectional	Hospital-based	19,650	103	52.41	36	Medium
Adeleye and Olowookere [14]	2009	Nigeria	Western Africa	Cross-sectional	Hospital-based	61	33	5409.83	12	Medium
Garcon and Danielle [65]	2006	DR Congo	Central Africa	Cross-sectional	Hospital-based	8824	9	10.2	96	Medium
Airede [38]	1992	Nigeria	Western Africa	Prospective	Hospital-based	5,977	42	70.92	36	Medium
Alhassan et al. [8]	2017	Ghana	Western Africa	Cross-sectional	Hospital-based	35,426	24	6.77	48	Medium
Anyanwu et al. [39]	2021	Nigeria	Western Africa	Prospective	Hospital-based	1,456	4	27.47	9	Low
Bello et al. [40]	2008	Nigeria	Western Africa	Cross-sectional	Hospital-based	2,371	103	434.41	48	Medium
Berhane and Belachew [29]	2022	Ethiopia	Eastern Africa	Prospective	Hospital-based	48,750	522	107.07	36	High
Berihu et al. [31]	2018	Ethiopia	Eastern Africa	Cross-sectional	Hospital-based	14,903	195	131	9	High
Buccimazza et al. [57]	1994	South Africa	Southern Africa	Cross-sectional	Hospital-based	516,252	606	11.74	240	Medium
Chukwubuike et al. [41]	2020	Nigeria	Western Africa	Cross-sectional	Hospital-based	9492	34	35.82	4	Medium
Cornell et al. [56]	1983	South Africa	Southern Africa	Prospective	Hospital-based	116859	105	9	60	Medium
Ekanem et al. [42]	2008	Nigeria	Western Africa	Cross-sectional	Hospital-based	127929	67	5.24	276	High
Ekwochi et al. [43]	2017	Nigeria	Western Africa	Cross-sectional	Hospital-based	5,830	6	10.29	48	Medium