Trends in clinical trial registration in sub-Saharan Africa between 2010 and 2020: a cross-sectional review of three clinical trial registries

Table 4 Summary of sponsors with published results

Sponsor category	ISRCTN (N = 507)				CTG (N = 2262)
Sponsor category	Registered (N)	Complete (n)	Published (n)	Proportion of completed with results (%)	Registered (N)	Complete (n)	Published (n)	Proportion of completed with results (%)
University	262	183	108	59.0	1618	891	72	8.1
Industry/INGO^a	16	15	6	40.0	288	165	30	18.2
Research institutions	105	81	47	58.0	1190	605	104	17.2
Government	56	51	28	54.9	-	-	-	-
Charity	38	31	18	58.1	-	-	-	-
Hospital/clinic	16	12	6	50.0	437	231	49	21.2

^aINGO international non-governmental organisations; this will not equal total completed trials because sponsor type was obtained by extracting the common theme from a free text, indicating the possibility of a double count

ISSN: 1745-6215