Table 1.
Characteristics of patients diagnosed with late stage non–small cell lung cancer who died of cancer at age 65 or older, 1999–2003*
| Characteristic | Survived <6 mo |
Survived ≥6 mo following diagnosis |
||||
| SEER–Medicare, No. (%)† | Ontario No. (%)‡ | P | SEER–Medicare No. (%)§ | Ontario No. (%)‖ | P | |
| Age at death, y | <.001 | <.001 | ||||
| 65–69 | 1118 (17.8) | 919 (25.2) | 1423 (19.6) | 1136 (25.5) | ||
| 70–79 | 3181 (50.7) | 2007 (55.0) | 3677 (50.7) | 2399 (53.9) | ||
| ≥80 | 1978 (31.5) | 726 (19.9) | 2156 (29.7) | 913 (20.5) | ||
| Sex | <.001 | <.001 | ||||
| Men | 3501 (55.8) | 2207 (60.4) | 3871 (53.4) | 2631 (59.2) | ||
| Women | 2776 (44.2) | 1445 (39.6) | 3385 (46.7) | 1817 (40.9) | ||
| Urban/rural residence at time of diagnosis | <.001 | <.001 | ||||
| Big metro | 3770 (60.1) | 1634 (44.7) | 4330 (59.7) | 1865 (41.9) | ||
| Metro | 1558 (24.8) | 1376 (37.7) | 1825 (25.2) | 1567 (35.2) | ||
| Others | 949 (15.1) | 642 (17.6) | 1101 (15.2) | 1016 (22.8) | ||
| Median census tract household income relative to national/provincial income quintiles | <.001 | <.001 | ||||
| High income (top 2 quintiles) | 2246 (35.8) | 1247 (34.2) | 2466 (34.0) | 1390 (31.3) | ||
| Low income | 4031 (64.2) | 2405 (65.9) | 4790 (66.0) | 3058 (68.8) | ||
| Time from diagnosis to death, mo | <.001 | <.001 | ||||
| <6 | 6277 (100.0) | 3652 (100.0) | 0 (0.0) | 0 (0.0) | ||
| 6 to <12 | 0 (0.0) | 0 (0.0) | 2778 (38.3) | 1783 (40.1) | ||
| 12 to <18 | 0 (0.0) | 0 (0.0) | 1791 (24.7) | 890 (20.0) | ||
| 18 to <24 | 0 (0.0) | 0 (0.0) | 898 (12.4) | 470 (10.6) | ||
| 24 to <36 | 0 (0.0) | 0 (0.0) | 934 (12.9) | 442 (9.9) | ||
| ≥36 | 0 (0.0) | 0 (0.0) | 855 (11.8) | 863 (19.4) | ||
*
P values were calculated by the two-sided χ2 test. SEER = Surveillance, Epidemiology, and End Results database.
†
N = 6277.
‡
N = 3652.
§
N = 7256.
‖
N = 4448.