Table 2.

Ten common disease conditions reported in articles

Disease conditions included	Studies										Total articles included in
	Afshar et al32	Garin et al33	Weimann et al34	Ghose and Abdoul Razak35	36van Heerden et al36	Chang et al37	Sharman and Bachmann38	Lalkhen and Mash39	Roche and de Vries40	Oni et al41
Diabetes	x	x	x	x	x†	x	x	x	x	x	10
Hypertension		x	x	x	x	x	x	x	x	x	9
HIV			x	x	x¶	x	x		x	x	5
Asthma	x	x		x				x	x		5
IHD/heart disease/ angina	x	x		x		x			x		5
Depression	x§	x		x¶	x	x*					4
COPD		x		x‡				x	x		4
Arthritis/osteoarthritis	x	x		x				x			4
TB/current TB			x				x		x	x	4
Lipid disorder					x	x			x		3

*Depression, post-traumatic stress disorder, alcohol dependence.

†Hyperglycaemia.

‡Chronic lung disease.

§Depression, schizophrenia or psychosis.

¶Assessed condition but was not able to incorporate into multimorbidity calculation based on the way study reported it.

COPD, chronic obstructive pulmonary disease; IHD, ischaemic heart disease; TB, tuberculosis.