Prevalence of lung nodules and cancer by geographical area
| Geographical area | Studies (n) | Patients (n) | Nodule prevalence (%), mean (range) | Lung cancer prevalence (%), mean (range) |
|---|---|---|---|---|
| N America | 16 | 83 825 | 23 (2–53) | 1.7 (0–4.0) |
| Europe | 13 | 29696 | 29 (8–53) | 1.2 (0.2–2.4) |
| East Asia | 2 | 14 362 | 35.5 (35–36) | 0.54 (0.50–0.57) |
| UK | 1 | 100 | 14 | N/A |