Table 2.

Quality rating for studies included in the systematic review and meta-analysis of peripheral artery disease among patients with DM in sub-saharan Africa region

Study	Selection Criteria				Comparability	Outcome
	Representativeness of the sample *	Sample size *	Non respondents *	Ascertainment of the exposure(maximum score = 2) **	The subjects in different outcome groups are comparable, based on the study design or analysis. Confounding factors are controlled((maximum score = 2)) **	Assessment of the outcome(maximum score = 2) **	Statistical test *	Total(10)
Akalu.Y et al.	1	1	1	2	1	1	1	8
swali.A et al.	1	1	1	2	1	1	1	8
Osman.A et al.	1	0	1	2	1	1	1	7
Agboghoroma et al.	1	1	1	2	1	1	1	8
Oyelade.B et al.	1	1	1	1	1	1	1	7
Okello. S et al.	1	1	1	1	1	1	1	7
Immanuel.A et	1	1	1	2	1	1	1	8
Yeboah.K et al.	1	1	1	1	1	1	1	7
PD. Y et al.	1	1	1	1	1	1	1	8
Mwebaze. R et	1	1	1	1	1	1	1	7
ACA.C et al.	1	1	1	1	1	1	1	7
Weledji.E et al.	1	1	1	2	1	1	1	8
Ogbera. A et al.	1	1	1	2	1	1	1	8
Mahamet.A et al.	1	1	1	2	1	1	1	8
Abbas.Z et al.	1	1	1	2	1	1	1	8
Anumah. F et al.	1	1	1	1	1	1	1	7
Codjo.H et al.	1	1	1	1	1	1	1	7
Umuerri. EM et al.	1	1	1	1	1	1	1	7