Table 4.

Time-in-Motion Results for TB Screening and Chest X-ray Completion

Procedure	Number of Measurements	TST staff time	TST staff cost	QFT-GIT staff time	QFT-GIT staff cost
TB Screening
TST placement	15
TB Nurse/Technician time		4 min (2–6 min)	$1.80	--	--
Security time		3 min (1–5 min)	$1.38	--	--
TST reading – 3 towers	64
TB Nurse/Technician time		6 min (2–8 min)	$2.70	--	--
Security time		3 min (0.5–7 min)	$1.38	--	--
TST result entry	27
TB Nurse/Technician time		8 min (3–12 min)	$3.60	--	--
QFT-GIT blood draw	23
TB Nurse/Technician time		--	--	3 min (1–5 min)	$1.35
Security time		--	--	3 min (1–5 min)	$1.38
Total TB Nurse/Technician screening time		18 min	$8.10	3 min	$1.35
Total Security screening time		6 min	$2.76	3 min	$1.38
Total TB screening staff cost			$10.86		$2.73
Chest X-ray
X-ray Technician time	13	5 min (3.5–7 min)	$2.83	5 min (3.5–7 min)	$2.83
Security time	13	26 min (10–50 min)	$11.98	26 min (10–50 min)	$11.98
Onsite MD interpretation time	13	2 min (0.5–5 min)	$3.30	2 min (0.5–5 min)	$3.30
Formal radiology reading		--	$13.00	--	$13.00
Total Chest X-ray completion cost			$31.11		$31.11

Bold text: Total costs for TB screening labor, Chest X-ray completion and LTBI treatment

TB tuberculosis, QFT-GIT QuantiFERON-TB Gold In-Tube, TST tuberculin skin test