Table 1.

Comparisons of TB case notification rates, stratified by type and category prior to 2004 (at start of ART scale-up) and after ART roll-out and IPT roll-out (2012) in Zimbabwe

Type of TB	Highest notification rate (per 100 000)	Year	Lowest notification rate (per 100 000)	Year	Decrease (%) between highest and lowest	P value*
							All TB	510	2002	173	2018	66.1	<0.001
New TB	501	2002	159	2018	68.3	<0.001
Bacteriologically confirmed PTB	137	2002	77	2018	43.8	0.143
Clinically diagnosed PTB	284	2002	63	2017	77.8	<0.001
Extrapulmonary TB	79	2002	16	2018	79.7	0.281
Previously treated TB	58	2004	11	2018	81.0	0.432

*Test of proportions comparing percentage decreases between the highest recorded case notification rate prior to ART and IPT scale-up and the lowest recorded case notification rate after ART roll-out (in 2004) and IPT roll-out (in 2012).

ART, antiretroviral therapy; EPTB, extrapulmonary TB; IPT, isoniazid preventive therapy; PTB, pulmonary tuberculosis; TB, tuberculosis.