Table 1.
Characteristics of Louisiana stage I–IIIA non-small cell lung cancer patients by race, 2004–2016, n (%).
| Total | White | Black | P-value | |
|---|---|---|---|---|
| N | 3,616 | 2,854 (78.9) | 762 (21.1) | |
| Demographic factors | ||||
| Age | <0.0001 | |||
| <54 | 496 (13.7) | 353 (12.4) | 143 (18.8) | |
| 55–64 | 980 (27.1) | 722 (25.3) | 258 (33.9) | |
| 65–74 | 1463 (40.5) | 1176 (41.2) | 287 (37.7) | |
| 75+ | 677 (18.7) | 603 (21.1) | 74 (9.7) | |
| Sex | 0.47 | |||
| Female | 1,913 (52.9) | 1,501 (52.6) | 412 (54.1) | |
| Male | 1,703 (47.1) | 1,353 (47.4) | 350 (45.9) | |
| Clinical factors | ||||
| Tumor histology | 0.09 | |||
| Adenocarcinoma | 2,186 (60.5) | 1,705 (59.7) | 481 (63.1) | |
| Non-adenocarcinoma | 1,430 (39.5) | 1,149 (40.3) | 281 (36.9) | |
| Tumor size | 0.84 | |||
| <3 cm | 2,149 (59.4) | 1,702 (59.6) | 447 (58.7) | |
| 3–7 cm | 1,289 (35.6) | 1,014 (35.5) | 275 (36.1) | |
| >7 cm | 178 (4.9) | 138 (4.9) | 40 (5.3) | |
| AJCC stage | 0.02 | |||
| Stage I | 2,447 (67.7) | 1,964 (68.8) | 483 (63.4) | |
| Stage II | 750 (20.7) | 568 (19.9) | 182 (23.9) | |
| Stage IIIA | 419 (11.6) | 322 (11.3) | 97 (12.7) | |
| Lymph node involvement | 0.02 | |||
| Negative | 2,758 (76.3) | 2,202 (77.2) | 556 (73.0) | |
| Positive | 858 (23.7) | 652 (22.9) | 206 (27.0) | |
| Grade | 0.64 | |||
| Well-differentiated | 420 (11.6) | 335 (11.7) | 85 (11.2) | |
| Moderately differentiated | 1,467 (40.6) | 1,170 (41.0) | 297 (39.0) | |
| Poorly/undifferentiated | 1,449 (40.1) | 1,129 (39.6) | 320 (42.0) | |
| Unknown | 280 (7.7) | 220 (7.7) | 60 (7.9) | |
| Surgery type | 0.67 | |||
| Resection of lobe | 3,200 (88.5) | 2,529 (88.6) | 671 (88.1) | |
| Resection extended | 416 (11.5) | 325 (11.4) | 91 (11.9) | |
| Comorbidity score | 0.05 | |||
| 0 | 2,000 (55.3) | 1,587 (55.6) | 413 (54.2) | |
| 1 | 1,053 (29.1) | 844 (29.6) | 209 (27.4) | |
| 2+ | 563 (15.6) | 423 (14.8) | 140 (18.4) | |
| Social determinants | ||||
| Marital status | <0.0001 | |||
| Married | 2,111 (58.4) | 1,798 (63.0) | 313 (41.1) | |
| Single/divorced/widowed/other | 1,395 (38.6) | 968 (33.9) | 427 (56.0) | |
| Unknown | 110 (3.0) | 88 (3.1) | 22 (2.9) | |
| Insurance | <0.0001 | |||
| Private | 1,347 (37.3) | 1,100 (38.5) | 247 (32.4) | |
| Medicare/other public | 1,682 (46.5) | 1,390 (48.7) | 292 (38.3) | |
| Medicaid | 409 (11.3) | 245 (8.6) | 164 (21.5) | |
| No insurance | 104 (2.9) | 67 (2.4) | 37 (4.9) | |
| Unknown | 74 (2.0) | 52 (1.8) | 22 (2.9) | |
| Census tract level poverty | <0.0001 | |||
| <10% | 902 (24.9) | 839 (29.4) | 63 (8.3) | |
| 10–19.9% | 1,407 (38.9) | 1,225 (42.9) | 182 (23.9) | |
| ≥20% | 1,307 (36.2) | 790 (27.7) | 517 (67.9) | |
| Census tract level urbanicity | <0.0001 | |||
| Urban | 2,597 (71.8) | 1,953 (68.4) | 644 (84.5) | |
| Rural | 1,019 (28.2) | 901 (31.6) | 118 (15.5) | |
| Time interval from diagnosis to surgery, mean (std) | 40.8 (44.8) | 32.7 (35.6) | 47.1 (43.0) | <0.0001 |
| Time interval from diagnosis to surgery, median (Q1–Q3) | 29 (6–50) | 27 (3–46) | 42 (14–70) | <.0001 |
| Receiving surgery >6 weeks from diagnosis | 32.9 | 28.7 | 48.4 | <0.0001 |
AJCC, American Joint Committee on Cancer; std, standard deviation; Q1, the first quartile; Q3, the third quartile.