Table 1.
Radiation therapy at the end of life: within six months or fourteen days of death
| All | 6 Months | 14 Days | |||
|---|---|---|---|---|---|
| n | n (%) | p value | n (%) | p value | |
| Total | 39,619 | 19856 (50) | 5723 (14) | ||
| Sex | 20,722 | 0.0183 | <.0001 | ||
| Female | 10268 (50) | 2834 (14) | |||
| Male | 18,897 | 9588 (51) | 2889 (15) | ||
| Race/ethnicity | 30,904 | <.0001 | <.0001 | ||
| Non-Hispanic White | 15106 (49) | 4279 (14) | |||
| Non-Hispanic Black | 4,791 | 2606 (54) | 763 (16) | ||
| Hispanic | 2,250 | 1268 (56) | 399 (18) | ||
| Other | 1,674 | 876 (52) | 282 (17) | ||
| Race/ethnicity | 30,904 | <.0001 | <.0001 | ||
| Non-Hispanic White | 15106 (49) | 4279 (14) | |||
| All others | 8,715 | 4750 (55) | 1444 (17) | ||
| Age at diagnosis | 5,308 | <.0001 | <.0001 | ||
| Age 65 - 69 | 3328 (63) | 1071 (20) | |||
| Age 70 - 74 | 6,154 | 3633 (59) | 1065 (17) | ||
| Age 75 - 79 | 7,367 | 4027 (55) | 1160 (16) | ||
| Age 80 - 84 | 8,599 | 4206 (49) | 1138 (13) | ||
| 85+ | 12,191 | 4662 (38) | 1289 (11) | ||
| Charlson index | 17,075 | 0.2403 | 0.0835 | ||
| 0 | 8628 (51) | 2558 (15) | |||
| 1 | 10,203 | 5048 (49) | 1436 (14) | ||
| 2 or more | 12,341 | 6180 (50) | 1729 (14) | ||
| Census region | 17,246 | <.0001 | <.0001 | ||
| West | 8768 (51) | 2597 (15) | |||
| South | 15,733 | 7666 (49) | 2129 (14) | ||
| North | 4,082 | 2111 (52) | 633 (16) | ||
| East | 2,558 | 1311 (51) | 364 (14) | ||
| Urban/rural | 20,695 | <.0001 | <.0001 | ||
| Urban | 10908 (53) | 3312 (16) | |||
| Metro Urban | 11,506 | 5666 (49) | 1575 (14) | ||
| Rural | 7,410 | 3279 (44) | 835 (11) | ||
| Missing/unknown | 8 | 3 (38) | 1 (13) | ||
| Median income | 19,689 | 0.0053 | 0.0107 | ||
| Above median (43 K) | 10017 (51) | 2925 (15) | |||
| Below median (43 K) | 19,686 | 9739 (49) | 2772 (14) | ||
| Missing/ unknown | 244 | 100 (41) | 26 (11) | ||
| High school only | 19,693 | <.0001 | <.0001 | ||
| Above median (28%) | 9664 (49) | 2707 (14) | |||
| Below median (28%) | 19,694 | 10096 (51) | 2992 (15) | ||
| Missing/unknown | 232 | 96 (41) | 24 (10) | ||
| Marital status | 21,554 | <.0001 | <.0001 | ||
| Unmarried | 10199 (47) | 2796 (13) | |||
| Married | 15,354 | 8357 (54) | 2553 (17) | ||
| Missing/unknown | 2,711 | 1300 (48) | 374 (14) | ||
| Year of diagnosis | 8,903 | <.0001 | <.0001 | ||
| 2004 | 4257 (48) | 1207 (14) | |||
| 2005 | 8,092 | 4009 (50) | 1156 (14) | ||
| 2006 | 7,312 | 3611 (49) | 996 (14) | ||
| 2007 | 6,239 | 3258 (52) | 971 (16) | ||
| 2008 | 5,194 | 2674 (51) | 790 (15) | ||
| 2009 | 3,879 | 2047 (53) | 603 (16) | ||
| Cancer type | 8,629 | <.0001 | <.0001 | ||
| Breast | 4641 (54) | 1292 (15) | |||
| Colorectal | 21,469 | 10318 (48) | 3039 (14) | ||
| Prostate | 9,521 | 4897 (51) | 1392 (15) | ||
| Stage | 11,115 | <.0001 | <.0001 | ||
| 0-3 | 5907 (53) | 1634 (15) | |||
| 4 | 28,504 | 13949 (49) | <.0001 | 4089 (14) | <.0001 |
| Cause of death | 30,293 | 15740 (52) | 4508 (15) | ||
| Cancer | |||||
| Non Cancer | 9,326 | 4116 (44) | 1215 (13) | ||
| Time from diagnosis to death | 17,006 | <.0001 | <.0001 | ||
| 0 days to 6 months | 9323 (55) | 3089 (18) | |||
| 6 months to 1 year | 6,065 | 2910 (48) | 719 (12) | ||
| 1 - 3 years | 12,160 | 5623 (46) | 1407 (12) | ||
| More than 3 years | 4,388 | 2000 (46) | 508 (12) | ||
| Prior radiation | 13,303 | <.0001 | <.0001 | ||
| No | 6157 (46) | 2036 (15) | |||
| Yes | 26,316 | 13699 (52) | 3687 (14) | ||
| Radiation Facility | 19,763 | ||||
| No radiation | 0 (0) | 0 (0) | |||
| Hospital-based or Other | 14,442 | 14442 (100) | 4330 (30) | ||
| Freestanding | 5,414 | 5414 (100) | 1393 (26) | ||
| Surgery (last 6 months of life) | 25,873 | <.0001 | <.0001 | ||
| No | 12681 (49) | 3616 (14) | |||
| Yes | 13,746 | 7175 (52) | 2107 (15) | ||
| Chemotherapy | 1,585 | <.0001 | <.0001 | ||
| Last 14 days of life | 1169 (74) | 577 (36) | |||
| Last 6 months of life, but not last 14 days | 10,999 | 7076 (64) | 1655 (15) | ||
| None in last 6 months before death | 4,203 | 1694 (40) | 396 (9) | ||
| Never | 22,832 | 9917 (43) | 3095 (14) | ||