Patients n | Nodules % | Lung cancer incidence % | |
National Cancer Center Hospital Japan 12 | 1369 | NA | 15 (0.43)# |
Shinshu University School of Medicine Japan 13 | 3967 | 220 (5.6) | 19 (0.35) |
ELCAP USA 11 | 1000 | 233 (23) | 27 (2.7) |
Mayo Clinic USA | 1520 | 782 (51) | 15 (1) |
University of Münster Germany | 919 | NA | 13 (1.4) |
Data are presented as n (%) unless otherwise stated
ELCAP: Early Lung Cancer Action Project
NA: not available
#: represents percentage figure from 3,457 computed tomography examinations (in 1,369 patients)