Table 2.

Rates and adjusted rate ratios for all types of tuberculosis (TB) by exposure to diabetes

		Age-adjusted		Fully adjusted modela
Exposure status	Number of TB cases/PYb	Ratec (95 % CI)	Rate ratio	Rate ratio
			(95 % CI)	(95 % CI)
			P* = 0.025	P** = 0.039
Patients without diabetes	779/57.68	13.51 (12.59–14.49)	1.00	1.00
Patients with diabetes	190/11.73	16.20 (14.05–18.68)	1.20 (1.02–1.40)	1.30 (1.01–1.67)

*P-value from Wald test, **P-value from likelihood ratio test

^aModel adjusted for: age, alcohol, smoking, BMI, ethnicity, IMD

^bPY: 100,000 person years at risk

^cRate: per 100,000 person years

BMI body mass index, CI confidence interval, IQR interquartile range