Table 1. Descriptive Statistics.
| Characteristic | Patient or treatment, No. (%) |
|---|---|
| All patients, No. | 313 062 |
| Age, y | |
| Mean (SD) | 68.8 (7.7) |
| Median (range) | 69.0 (25.0-90.0) |
| Area of residence | |
| Metropolitan | 257 598 (82.3) |
| Rural | 5671 (1.8) |
| Urban | 41 630 (13.3) |
| Missing data | 8163 (2.6) |
| Racea | |
| American Indian and Alaska Native | 686 (0.2) |
| Asian or Pacific Islander | 6856 (2.2) |
| Black | 54 042 (17.3) |
| White | 245 748 (78.5) |
| Other or unrecordedb | 5730 (1.8) |
| Facility location | |
| East North Central | 58 529 (18.7) |
| East South Central | 18 084 (5.8) |
| Middle Atlantic | 61 741 (19.7) |
| Mountain | 10 385 (3.3) |
| New England | 25 949 (8.3) |
| Pacific | 33 865 (10.8) |
| South Atlantic | 67 339 (21.5) |
| West North Central | 21 109 (6.7) |
| West South Central | 16 037 (5.1) |
| Missing data | 24 (0) |
| Median income, US $ | |
| ≤57 856 | 106 013 (33.9) |
| ≥57 857 | 170 264 (54.4) |
| Missing data | 36 785 (11.8) |
| Insurance type or status | |
| Medicaid | 9319 (3.0) |
| Medicare | 189 234 (60.4) |
| Not insured | 3799 (1.2) |
| Other government | 11 234 (3.6) |
| Private insurance or managed care | 93 980 (30.0) |
| Unknown | 5496 (1.8) |
| Facility type | |
| Academic or research programc | 93 412 (29.8) |
| Community cancer program | 23 320 (7.4) |
| Comprehensive community cancer program | 133 911 (42.8) |
| Integrated network cancer program | 62 395 (19.9) |
| Missing data | 24 (0) |
| NCCN risk group | |
| Low | 47 590 (15.2) |
| Favorable intermediate | 64 108 (20.5) |
| Unfavorable intermediate | 99 550 (31.8) |
| High | 88 652 (28.3) |
| Missing data | 13 162 (4.2) |
| Charlson-Deyo Comorbidity Indexd | |
| 0 | 263 639 (84.2) |
| 1 | 36 815 (11.8) |
| 2 | 8291 (2.6) |
| 3 | 4317 (1.4) |
Abbreviation: NCCN, National Comprehensive Cancer Network.
a
Race data were obtained from the National Cancer Database.
b
Other data not provided in the National Cancer Database.
c
Included National Cancer Institute–designated comprehensive cancer centers.
d
Charlson-Deyo Comorbidity Index range: 0 for no, 1 for mild, 2 for moderate, and 3 for severe comorbidities.