TABLE 1.

Number of healthy and unhealthy (British white and Irish) potential participants in the UK Biobank repository in each age range by sex, and numbers of participants selected for this study

Age range	Total N		N males		N females
	N Biobank	N study	N Biobank	N study	N Biobank	N study
Healthy cohort
45–54	1988	194	828	100	1160	94
55–64	5133	190	2099	96	3034	94
65–74	5191	190	2324	97	2867	93
Unhealthy cohort
45–54	7	6	5	5	2	1
55–64	31	28	25	24	6	4
65–74	98	97	82	82	16	15