Table 1.
Patient characteristics by region.
| Characteristics | Total (N=43,637) | Region | p-value | ||
|---|---|---|---|---|---|
| US14 (N=36,182) | South (N=7,455) | ||||
| Age at diagnosis (%) | |||||
| Mean (SD) | 63.3 (15.8) | 63.4 (15.7) | 62.5 (15.9) | <0.0001 | |
| Median (IQR) | 64.0 (53,76) | 64 (53, 76) | 63 (52, 75) | ||
| > 65 | 21,034 (48.2) | 48.4% | 47.0% | 0.03 | |
| < 65 | 22,603 (51.8) | 51.6% | 53.0% | ||
| Cancer stage (%) | <0.0001 | ||||
| 0 | 81 (0.2) | 68 (0.2) | 13 (0.2) | ||
| I | 8,447 (19.6) | 7,062 (19.8) | 1,385 (18.9) | ||
| II | 3,001 (7.0) | 2,441 (6.8) | 560 (7.6) | ||
| III | 13,008 (30.2) | 10,779 (25.3) | 2,229 (30.4) | ||
| IV | 11,036 (25.7) | 9,028 (25.3) | 2,008 (27.4) | ||
| Unstaged | 7,445 (17.3) | 6,302 (17.7) | 1,143 (15.6) | ||
| Grouped Cancer stage (%) | <0.0001 | ||||
| Stage 0–II | 11,529 (26.8) | 9,571 (26.8) | 1,958 (26.7) | ||
| Stage III–IV | 24,044 (55.9) | 19,807 (55.5) | 4,237 (57.7) | ||
| Unstaged | 7,445 (17.3) | 6,302 (17.7) | 1,143 (15.6) | ||
| Surgery | <0.0001 | ||||
| Yes | 32,786 (75.7) | 27,347 (76.2) | 5,439 (73.4) | ||
| No | 10,529 (24.3) | 8,558 (23.8) | 1,971 (26.6) | ||
| Insurance (%) ‡ | |||||
| Insured | 8,703 (96.6) | 7,154 (97.3) | 1,549(93.4) | ||
| Uninsured | 306 (3.4) | 197 (2.7) | 109 (6.6) | ||
| 5-year survival◊ | <0.0001 | ||||
| Yes | 17,331 (39.7) | 14,575 (40.3) | 2,756 (37.0) | ||
| No | 26,306 (60.3) | 21,607 (59.7) | 4,699 (63.0) | ||
‡
Only available for cases diagnosed after 2007