Table 1.

Proportion of South Asian participants in six multicentre clinical trials

	Trial population
Trial type	Sex	Age (years)	Recruitment	Recruitment figures	No (%) South Asian participants
Hysterectomy	Female	>18 (mean 41.2 (SD 8))	National	1380 randomised	8 (0.6%)
Cancer:
Colorectal	Male and female	>18 (mean 69; range 25-94)	National	584 on whom ethnicity data are available	1 (0.2%)
Breast	Female (post-menopausal)	Mean 64	Regional	780 randomised	2 (0.3%)
Breast	Female (post-menopausal)	Most >55	Regional	133 randomised	0 (0%)
Ovarian	Female	>18*	Regional	480 registered (242 randomised)	3 (0.6%)
			National	559 registered (300 randomised)	4 (0.7%)
Helicobacter pylori eradication	Male and female	40-49	Regional	8407 participants	145 (1.7%)

Office for National Statistics' latest estimates of proportion of population that is of South Asian origin are 3.8% for the Yorkshire-Humber region and 3.4% for Great Britain as a whole.³

^*Range and mean unknown.