. Author manuscript; available in PMC: 2022 Jul 21.

Published in final edited form as: J Bone Joint Surg Am. 2021 Jul 21;103(14):1259–1267. doi: 10.2106/JBJS.20.01474

TABLE I.

Characteristics of Population of RCD Surgery Cases and Selected Controls from the UK Biobank

	No (%)^*
	Cases	Controls
Total	2,917	14,158
Age (yr)
At enrollment	61 (55, 65)	61 (55, 65)
At diagnosis	65 (59, 69)	Not applic.
Sex
Male	1,503 (51.5%)	7,284 (51.4%)
Female	1,414 (48.5%)	6,874 (48.6%)
Self-reported race/ethnicity group
White	6 (0.2%)	15 (0.1%)
British	2,747 (94.2%)	13,269 (93.7%)
Irish	79 (2.7%)	393 (2.8%)
Any other White background	85 (2.9%)	481 (3.4%)

Except for age, which is given as the median (IQR).