Table 2.

Epidemiological studies of rheumatoid arthritis in Africa

Study	Country	Study population	Number of participants	Prevalence (%)	Ref.
Muller et al. (1972)	Liberia and Nigeria	Rural	1,027	0.97	26
Solomon et al. (1975)	South Africa	Urban	551	0.90	27
Beighton et al. (1975)	South Africa	Rural	801	0.12	28
Meyers et al. (1977)	South Africa	Rural	577	0.68	29
Moolenburgh et al. (1986)	Lesotho	Rural	1,070	0.28	31
Brighton et al. (1988)	South Africa	Rural	543	0.00	30
Silman et al. (1993)	Nigeria	Rural	1,994	0.00	32
Abdel-Nasser et al. (1997)	Egypt	Rural	5,120	0.29	33
Malemba et al. (2012)	Democratic Republic of Congo	Community	5,000	0.60	34
Slimani et al. (2014)	Algeria	Urban	52,504	0.13	35
Courage et al. (2017)	Nigeria	Semi-urban	2,454	0.12	14