Table 1:
Demographics of clinical stage Ia NSCLC patients undergoing lobectomy by presence of separate tumor nodules
| Variable | Level | No separate tumor nodules (n=44,558) | Separate tumor nodules in ipsilateral lung (n=1,284) | Total (n=45,842) | p-value |
|---|---|---|---|---|---|
|
| |||||
| Age at Diagnosis | 65+ Years | 27859 (97.05%) | 848 (2.95%) | 28707 (62.62%) | 0.0101 |
| <65 Years | 16699 (97.46%) | 436 (2.54%) | 17135 (37.38%) | ||
|
| |||||
| Sex | Female | 25527 (96.95%) | 802 (3.05%) | 26329 (57.43%) | 0.0002 |
| Male | 19031 (97.53%) | 482 (2.47%) | 19513 (42.57%) | ||
|
| |||||
| Race | Black | 3900 (97.23%) | 111 (2.77%) | 4011 (8.75%) | 0.3747 |
| Other/Unknown | 2104 (97.68%) | 50 (2.32%) | 2154 (4.7%) | ||
| White | 38554 (97.17%) | 1123 (2.83%) | 39677 (86.55%) | ||
|
| |||||
| Charlson-Deyo Score | 0 | 22476 (97.34%) | 614 (2.66%) | 23090 (50.37%) | 0.1598 |
| 1 | 14589 (97.09%) | 437 (2.91%) | 15026 (32.78%) | ||
| 2 | 5225 (97.14%) | 154 (2.86%) | 5379 (11.73%) | ||
| 3 | 2268 (96.63%) | 79 (3.37%) | 2347 (5.12%) | ||
|
| |||||
| Percent No High School Degree | ≥ 21.0% | 6278 (97.48%) | 162 (2.52%) | 6440 (16.15%) | 0.2532 |
| 13.0% – 20.9% | 10404 (97.08%) | 313 (2.92%) | 10717 (26.87%) | ||
| 7.0% – 12.9% | 13156 (97.23%) | 375 (2.77%) | 13531 (33.93%) | ||
| < 7.0% | 8912 (96.97%) | 278 (3.03%) | 9190 (23.05%) | ||
|
| |||||
| Insurance Status | Government/Other | 31016 (97.09%) | 931 (2.91%) | 31947 (69.69%) | 0.0258 |
| Private | 13542 (97.46%) | 353 (2.54%) | 13895 (30.31%) | ||
|
| |||||
| Census Median Income Quartiles (2008–2012) | <$38,000 | 6774 (97.4%) | 181 (2.6%) | 6955 (17.45%) | 0.2136 |
| >=$38,000 | 31964 (97.13%) | 946 (2.87%) | 32910 (82.55%) | ||
|
| |||||
| Residence Area | Metro | 36212 (97.21%) | 1038 (2.79%) | 37250 (83.48%) | |
| Rural | 847 (96.91%) | 27 (3.09%) | 874 (1.96%) | 0.8394 | |
| Urban | 6321 (97.26%) | 178 (2.74%) | 6499 (14.56%) | ||
|
| |||||
| Treating Facility Type | Academic/Research Program | 15022 (97.06%) | 455 (2.94%) | 15477 (33.86%) | 0.1749 |
| Community/Comprehensive Community/Integrated | 29411 (97.28%) | 822 (2.72%) | 30233 (66.14%) | ||