Table 5.
Three-Year Lung Cancer-Specific and Overall Survival Rates by PN and LDCT Scan Status in the Lung Cancer Cohort
| Survival Statistic and Stage | PN-Only Group | LDCT Scan Group | Reference Group |
|---|---|---|---|
| Lung cancer-specific survival | |||
| All | 75.0 (73.6-76.3) | 75.6 (70.5-80.0) | 49.4 (48.7-50.1) |
| SEER Program stage | |||
| Localized | 89.7 (88.2-90.9) | 91.9 (88.5-94.3) | 82.4 (81.3-83.5) |
| Regional | 70.1 (66.9-73.1) | 75.1 (64.7-82.8) | 58.7 (57.2-60.1) |
| Distant | 36.8 (33.0-40.7) | 33.9 (21.6-46.7) | 26.6 (25.6-27.7) |
| TNM stage | |||
| I | 84.9 (82.9-86.7) | 88.9 (84.1-92.4) | 79.2 (77.7-80.5) |
| II | 68.5 (61.7-74.3) | 72.2 (56.0-83.3) | 56.8 (53.9-59.6) |
| III | 44.6 (39.0-50.0) | 51.8 (38.3-63.8) | 36.7 (34.9-38.5) |
| IV | 19.5 (15.6-23.7) | 19.4 (8.3-34.1) | 12.6 (11.7-13.6) |
| Overall survival | |||
| All | 58.2 (56.7-59.7) | 59.7 (54.4-64.6) | 31.7 (31.1-32.3) |
| SEER stage | |||
| Localized | 75.2 (73.3-76.9) | 81.0 (76.0-85.1) | 64.6 (63.2-65.9) |
| Regional | 54.3 (51.1-57.3) | 54.8 (43.8-64.5) | 42.0 (40.7-43.3) |
| Distant | 20.5 (17.8-23.3) | 19.3 (11.6-28.4) | 13.4 (12.8-14.1) |
| TNM stage | |||
| I | 71.2 (69.5-74.0) | 80.0 (74.2-84.8) | 63.8 (62.1-65.3) |
| II | 56.2 (49.6-62.2) | 60.3 (39.1-76.3) | 45.2 (42.4-47.9) |
| III | 34.8 (29.9-39.7) | 39.1 (26.3-51.7) | 28.6 (27.0-30.2) |
| IV | 11.4 (8.6-14.7) | 16.0 (6.9-28.6) | 8.6 (7.9-9.3) |
Data are presented as rate (95% CI). LDCT = low-dose CT; PN = pulmonary nodule; SEER = Surveillance Epidemiology and End Results.