Screening for lung cancer with chest computerized tomography: Is it cost efficient?

Table 1 Results of baseline screening with low-dose chest computerized tomography in asymptomatic smokers

Institution, country	Number of participants	Number (%) of positive results	Number (%) of diagnosed lung cancer	NSCLC	Stage I disease	Mean age of participants
Early Lung Cancer Action Project (ELCAP), United States[10,14]	1000	233 (23)	27 (2.7)	96%	85%	67
New York Early Lung Cancer Action Project (NY-ELCAP), United States[15]	6295	906 (14)	101 (1.6)	94%	97%	66
International Early Lung Cancer Action Project (I-ELCAP), United States[3]	31567	4186 (13)	405 (1.3)	-	86%	61
Mayo Clinic, United States[9,16,17]	1520	782 (51)	30 (2)	93%	75%	59
Anti-Lung Cancer Association (ALCA), Japan[18]	1611	186 (11.5)	13 (0.9)	100%	77%	60
University of Munster, Germany[19,20]	817	350 (43)	11 (1.3)	91%	70%	53
Pomeranian Pilot Program of Lung Cancer Screening, Poland[21]	2002	982 (49)	11 (0.5)	100%	91%	59
Total	44812	7625 (17)	598 (1.3)
Median	6402	1089 (17)	85 (1.3)

NSCLC: Non-small cell lung cancers.