Table 1.
Patient and Treatment Characteristics (N = 3280).
| Characteristic | No. (% or range) |
Characteristic | No. (% or range) |
|---|---|---|---|
| Demographics | Disease characteristics | ||
| Sex | Clinical T stage | ||
| Male | 1558 (47.5) | T1/T2 | 924 (28.2) |
| Female | 1722 (52.5) | T3 | 628 (19.1) |
| Age | T4 | 1361 (41.5) | |
| Median | 63.6 (23–90) | Unknown | 367 (11.2) |
| < 65 | 1743 (53.1) | Clinical N stage | |
| > 65 | 1537 (46.9) | N0/N1 | 493 (15) |
| Race | N2 | 1717 (52.3) | |
| White | 2918 (89) | N3 | 885 (27) |
| African American | 285 (8.7) | Unknown | 185 (5.6) |
| Other/Unknown | 77 (2.3) | Clinical M stage | |
| Comorbidity score | M0 | 40 (1.2) | |
| 0 | 1899 (57.9) | M1a | 788 (24.0) |
| 1 | 968 (29.5) | M1b | 1616 (49.3) |
| > 2 | 413 (12.6) | M1 (not specified) | 806 (24.6) |
| Insurance | Extrapulmonary metastases | ||
| Not insured | 169 (5.2) | Brain metastases | 580 (17.7) |
| Government | 1988 (60.6) | Liver metastases | 735 (22.4) |
| Private payer | 1082 (33.0) | Bone metastases | 843 (25.7) |
| Unknown | 41 (1.3) | Metastases at 1 site | 1702 (51.9) |
| Treatment facility type | Metastases > 1 site | 389 (11.9) | |
| Community cancer program | 470 (14.3) | ||
| Comprehensive community cancer program | 1625 (49.5) | Treatment characteristics | |
| Academic/research program | 832 (25.4) | Radiation dose, Gy | |
| Integrated network cancer program/Other | 341 (10.4) | Median (Gy) | 45 (30–75) |
| Treatment facility location | < 45 Gy | 1621 (49.4) | |
| Metro counties | 2482 (75.7) | > 45 Gy | 1724 (50.6) |
| Urban counties | 617 (18.8) | Timing of chest radiotherapy | |
| Rural counties | 110 (3.4) | < 12 weeks of starting CTX | 2077 (63.3) |
| Unknown | 71 (2.2) | > 12 weeks of starting CTX | 1203 (36.7) |
| Income, US dollars | |||
| < 38,000 | 707 (21.6) | Duration of radiotherapy | |
| 38,000–47,999 | 901 (27.5) | < 30 days | 1416 (43.2) |
| 48,000–62,999 | 944(28.8) | < 30–60 days | 1600 (48.8) |
| > 63,000 | 712 (21.7) | < 60–90 days | 264 (8.0) |
| Distance to treatment facility, miles | |||
| < 8 | 1429 (43.6) | ||
| > 8 | 1851 (56.4) | ||
| Year of Diagnosis | |||
| 2010–2011 | 1257 (38.3) | ||
| 2012–2013 | 1243 (37.9) | ||
| 2014 | 780 (23.8) | ||
LEGEND: No, number. CTX, chemotherapy.