Spatio-temporal epidemiology of the tuberculosis incidence rate in Iran 2008 to 2018

BMC Public Health

Table 2 Purely temporal clusters identified by different window sizes, study period March-2008 to March-2018

Type of disease	Window size	Time frame	Number of cases	Expected cases	Annual cases / 100,000	OE	RR	LLR	P-value
Total TB	Areas with high rates
	25%	*2012–2013*	22,073	20,425.02	14.2	1.08	1.10	81.73	0.001
	35%	2011–2013	32,712	30,226.28	14.2	1.08	1.12	143.69	0.001
	50%	2010–2014	53,366	49,895.66	14.0	1.07	1.15	238.58	0.001
	Areas with low rates
	25%	*2017–2018*	17,937	21,059.13	11.2	0.85	0.82	303.99	0.001
	35%	2017–2018	17,937	21,059.13	11.2	0.85	0.82	303.99	0.001
	50%	2017–2018	17,937	21,059.13	11.2	0.85	0.82	303.99	0.001
Smear Positive Pulmonary TB	Areas with high rates
	25%	*2011–2012*	10,891	10,089.69	7.1	1.08	1.10	39	0.001
	35%	2011–2013	16,277	15,113.59	7.1	1.08	1.11	63	0.001
	50%	2010–2014	26,720	24,948.57	7.0	1.07	1.15	124.32	0.001
	Areas with low rates
	25%	*2017–2018*	8984	10,529.88	5.6	0.85	0.82	148.99	0.001
	35%	2016–2018	13,911	15,703.99	5.8	0.89	0.84	151.91	0.001
	50%	2015–2018	18,886	20,809.17	5.9	0.91	0.85	152.72	0.001

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