Table 3.

Association of chronic kidney disease with incident tuberculosis by ethnic group

Group	Number of patients	Tuberculosis cases/PYa	Adjusted rate ratioc (95%CI)	P-valueb	Test for interaction p-value
White/not recordedd	466,350	210/1970832.9	1.35 (1.02–1.78)	0.036	0.061
Non-White	10,862	36/44096.337	2.83 (1.32–6.03)	0.007

CKD chronic kidney disease stages 3–5. PY person years

^atotal follow up time

^bp-value: from Wald test

^cfor age, gender, socio-economic status, COPD and diabetes

^dwhite/not recorded: 136119(56.2%) and 140,784 (58.1%) patients with and without CKD, respectively, had missing ethnicity