Table 3. Diameter’s gradient according to clinical management strategy (for Chest radiograph and CT) and lung cancer diagnosis after 18 months of follow-up*.
| VARIABLES | Chest radiograph | CT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N (%) | ||||||||||
| (95% CI) | ||||||||||
| Total 480 (100%) (40; 8.3%) | No further testing 95 (19.8%) (0) | Follow-up 84 (17.5%) (4; 4.8%) | Immediate interventions 301 (62.7%) (36; 11.9%) | p-value | Total 413 (100%) (51; 12.4%) | No further testing 108 (26.2%) (0) | Follow-up 196 (47.5%) (11; 5.6%) | Immediate interventions 109 (26.4%) (40; 36.7%) | p-value | |
| Diameter | <0.001 | <0.001 | ||||||||
| 3–4 mm | 34 | 10 (29.4) | 13 (38.2) | 11 (32.4) | 47 | 14 (29.8) | 25 (53.2) | 8 (17.0) | ||
| >4–6 | 74 | 19 (25.7) | 23 (31.1) (1; 4.3) | 32 (43.2) (1; 2.5) | 99 | 39 (39.4) | 45 (45.5) (2, 4.4) | 15 (15.2) (3, 20.0) | ||
| >6–8 | 60 | 16 (26.7) | 21 (35.0) | 23 (38.3) | 66 | 16 (24.2) | 38 (57.6) (3, 7.9) | 12 (18.2) | ||
| >8 | 287 | 44 (14.1) | 25 (8.0) (8; 32) | 218 (69.9) (28; 12.8) | 188 | 33 (17.6) | 85 (45.2) (31, 36.5) | 70 (37.2) (11, 15.7) | ||
| Not specified | 25 | 6 (24.0) | 2 (8.0) | 17 (68.0) (2; 11.8) | 13 | 6 (46.2) | 3 (23.1) | 4 (30.8) (1, 25.0) |
(*) Lung cancer cases are shown in bold for each category together with the risk as a percentage.