Table 2.
Lung Cancer Incidence Rates by Time Period and NCN status
| Time Period | 0–23 Months | 24–59 Months | 60–84 Months | |||
|---|---|---|---|---|---|---|
| Spatial Level | ||||||
| Person Level | Lung Ca # (Rate 1) | Rate Ratio (95% CI) | Lung Ca # (Rate 1) | Rate Ratio (95% CI) | Lung Ca # (Rate 1) | Rate Ratio (95% CI) |
| No NCN | 100 (26.9) | Referent | 233 (42.6) | Referent | 117 (39.9) | Referent |
| Any NCN (4+mm) | 368 (276) | 10.3 (8–13) | 180 (94.0) | 2.2 (1.8–2.7) | 73 (72.0) | 1.8 (1.4–2.4) |
| All | 468 | 413 | 190 | |||
| Lung Level | ||||||
| No NCN in lung | 108 (12.7) | Referent | 252 (20.2) | Referent | 122 (18.3) | Referent |
| Any NCN (4+ mm) | 341 (213) | 16.8 (14–21) | 142 (61.7) | 3.0 (2.5–3.7) | 54 (44.5) | 2.4 (1.8–3.4) |
| Lobe Level | ||||||
| No NCN in lobe | 126 (4.4) | Referent | 269(6.5) | Referent | 132 (5.8) | Referent |
| Any NCN (4+mm) | 310 (166) | 38.0 (31–47) | 98 (36.6) | 5.7 (4.5–7.1) | 29 (21.0) | 3.5 (2.3–5.2) |
1
Rate is per 10,000 person (or lung or lobe) years.