Table 1.
Clinical and demographic characteristics of the cohort stratified by histology.
| Mucinous | Endometrioid | ||||
|---|---|---|---|---|---|
|
|
|||||
| N | (%) | N | (%) | P-value | |
| 1374 | (3.0) | 43,882 | (97.0) | ||
| Age | <0.0001 | ||||
| <60 years | 514 | (37.4) | 19,329 | (44.1) | |
| >60 years | 860 | (62.6) | 24,553 | (56.0) | |
| Race | 0.04 | ||||
| White | 1223 | (89.0) | 38,433 | (87.6) | |
| Black | 47 | (3.4) | 2220 | (5.1) | |
| Other | 100 | (7.3) | 3040 | (6.9) | |
| Unknown | 4 | (0.3) | 189 | (0.4) | |
| Year of diagnosis | <0.0001 | ||||
| 1988-1994 | 530 | (38.6) | 2232 | (5.1) | |
| 1995-2000 | 530 | (38.6) | 11,582 | (26.4) | |
| 2001-2006 | 552 | (40.2) | 30,068 | (68.5) | |
| Marital status | 0.17 | ||||
| Married | 770 | (56.0) | 23,471 | (53.5) | |
| Single | 558 | (40.6) | 18,793 | (42.8) | |
| Unknown | 46 | (3.4) | 1618 | (3.7) | |
| SEER registry | <0.0001 | ||||
| Western | 767 | (55.8) | 21,860 | (49.8) | |
| Central | 315 | (22.9) | 10,746 | (24.5) | |
| Eastern | 292 | (21.3) | 11,276 | (25.7) | |
| Grade | <0.0001 | ||||
| 1 | 716 | (52.1) | 19,819 | (45.2) | |
| 2 | 441 | (32.1) | 14,729 | (33.6) | |
| 3 | 111 | (8.1) | 6668 | (15.2) | |
| Unknown | 106 | (7.7) | 2666 | (6.1) | |
| Stage | 0.001 | ||||
| IA | 832 | (60.6) | 27,380 | (62.4) | |
| IB | 139 | (10.1) | 5114 | (11.7) | |
| I-II NOS | 164 | (11.9) | 4434 | (10.1) | |
| II | 24 | (1.8) | 1269 | (2.9) | |
| III | 132 | (9.6) | 3431 | (7.8) | |
| IV | 45 | (3.3) | 1271 | (2.9) | |
| Unknown | 38 | (2.8) | 983 | (2.2) | |
| Lymphadenectomy | <0.0001 | ||||
| No (0) | 746 | (54.3) | 20,506 | (46.7) | |
| Yes (1) | 628 | (45.7) | 23,376 | (53.3) | |
| Radiation | 0.01 | ||||
| External beam or external beam and brachytherapy |
276 | (20.1) | 8409 | (19.2) | |
| Brachytherapy | 47 | (3.4) | 2386 | (5.4) | |
| Other | 9 | (0.7) | 300 | (0.7) | |
| None/unknown | 1042 | (75.8) | 32,787 | (74.7) | |