Evaluation of a population-wide, systematic screening initiative for tuberculosis on Daru island, Western Province, Papua New Guinea

Table 3 Changes in TB notification data at the Daru Hospital by type of TB

		DS-TB						All DR-TB
		All Bac(+)	All CD	All PTB	All EP	Other	All Forms	All DR-TB
Implementation period* notifications		251	85	336	240	0	576	146
Pre/Post Analysis	Baseline period** notifications	140	384	524	119	21	664	133
	Additional notifications	111	-299	-188	121	-21	-88	13
	Percent change from baseline	+ 79.3%	-77.9%	-35.9%	+ 101.7%	-100.0%	-13.3%	+ 9.8%
Trend Regression Analysis	Forecasted implementation notifications	132	395	525	80	-15	595	119
	Additional notifications	119	-310	-189	160	15	-19	27
	Percent change from forecast	+ 90.8%	-78.5%	-36.0%	+ 200.0%	-100.0%	-3.2%	+ 22.5%

* 2018-Q1 to 2019-Q1
** (2017-Q1 × 2) + 2017-Q2 to 2017-Q4
Note: All Bac(+) includes new, relapse, treatment after failure, treatment after default, previously treated, other and unknown cases. All CD includes the clinically diagnosed categories of smear-negative and ‘not done / not available’ for all treatment histories. All PTB is the sum of pulmonary Bac(+) and clinically diagnosed notifications. All EP includes extrapulmonary TB notifications for all treatment categories. All Forms is the sum of all notification categories, including other

ISSN: 1471-2458