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Table 1 Positive screens, invasive follow-up procedures and screen-detected lung cancers

From: A population-based cohort study of chest x-ray screening in smokers: lung cancer detection findings and follow-up

 

Baseline Screening

(n = 1,244)

Annual Incidence Screening (n = 4,337)

All Screens (n = 5,581)

Positive screens, n (%)

54 (4.34)

170 (3.92)

224 (4.01)

Any invasive procedure, n (%)

15 (1.21)

27 (0.62)

42 (0.75)

Invasive procedure for benign lesion, n (%)

3 (0.24)

6 (0.14)

9 (0.16)

Screen-detected cancers, n (%)

13* (1.04)

21 (0.48)

34* (0.61)

  1. *1 patient: positive sputum cytology