Table 2. The characteristics of randomised controlled trials included in the CSRs by income group of countries.

	High-income countries	Middle-income	Multiple countries	Total
Total RCTs	921	215	41	1177
Number of total patients	390362	23279	97666	511307
Chronic conditions:
Stroke	317	93	7	417
Heart disease	280	86	6	372
Hypertension	168	6	2	176
Diabetes	156	30	26	212
Intervention type:
Pharmacological	403	121	37	561
Rehabilitation	226	39	3	268
Disease management	134	17	1	152
Other	158	38	0	196
Published before 2000	365	15	2	382
Published since 2000	556	200	39	795
Published in English	895	121	41	1057
Published in other languages	26	94	0	120
CSR corresponding authors:
High-income countries	824	176	32	1032
Middle-income countries	97	39	9	145
RCTs with sample size <500	839	211	12	1062
RCTs with sample size ≥500	82	4	29	115