Table 1 Demographic and clinicopathologic characteristics
From: The treatment and outcomes of early-stage epithelial ovarian cancer: have we made any progress?
Total | 1988–1992 | 1993–1997 | 1998–2001 | P -value | |
|---|---|---|---|---|---|
Overall | 8372 | 2511 | 3294 | 2567 | |
Age at diagnosis (years) | |||||
Median (range) | 57 (12–99) | 58 (12–99) | 57 (15–99) | 55 (14–97) | |
Age <50 | 2799 (33.4%) | 836 (33.2%) | 1110 (33.7%) | 853 (33.2%) | 0.917 |
Age ⩾50 | 5573 (66.6%) | 1675 (66.8%) | 2184 (66.3%) | 1714 (66.8%) | |
Race | |||||
Caucasian | 6564 (78.4%) | 2125 (84.6%) | 2530 (76.8%) | 1909 (74.4%) | <0.001 |
Hispanic | 587 (7.0%) | 120 (4.8%) | 250 (7.6%) | 217 (8.5%) | |
African American | 401 (4.8%) | 105 (4.2%) | 174 (5.3%) | 122 (4.7%) | |
Asian | 605 (7.2%) | 118 (4.7%) | 257 (7.8%) | 230 (8.9%) | |
Other | 215 (2.6%) | 43 (1.7%) | 83 (2.5%) | 89 (3.5%) | |
Surgery | |||||
Yes | 7945 (94.9%) | 2406 (95.8%) | 3102 (94.2%) | 2437 (94.9%) | 0.018 |
No | 427 (5.1%) | 105 (4.2%) | 192 (5.8%) | 130 (5.1%) | |
Lymphadenectomy | |||||
Yes | 3327 (39.7%) | 659 (26.2%) | 1276 (38.7%) | 1392 (54.2%) | <0.001 |
No | 4360 (52.1%) | 1648 (65.6%) | 1713 (52.0%) | 999 (38.9%) | |
Unknown | 685 (8.2%) | 204 (8.1%) | 305 (9.3%) | 176 (6.9%) | |
Stage | |||||
Stage I | 6152 (73.4%) | 1853 (73.8%) | 2443 (74.2%) | 1856 (72.3%) | 0.253 |
Lymphadenectomy | 2506 (29.9%) | 510 (20.3%) | 964 (29.3%) | 1032 (40.2%) | <0.001 |
No lymphadenectomy | 3120 (37.3%) | 1188 (47.3%) | 1237 (37.6%) | 695 (27.1%) | |
Stage II | 2220 (26.5%) | 658 (26.2%) | 851 (25.8%) | 711 (27.7%) | |
Lymphadenectomy | 821 (9.8%) | 149 (5.9%) | 312 (9.5%) | 360 (14.0%) | <0.001 |
No lymphadenectomy | 1240 (14.8%) | 460 (18.3%) | 476 (14.4%) | 304 (11.8%) | |
Histology | |||||
Serous | 2214 (26.4%) | 671 (26.7%) | 847 (25.7%) | 696 (27.1%) | <0.001 |
Endometrioid | 2230 (26.6%) | 574 (22.9%) | 875 (26.6%) | 781 (30.4%) | |
Mucinous | 1601 (19.1%) | 552 (22.0%) | 641 (19.5%) | 408 (15.9%) | |
Clear cell | 940 (11.2%) | 256 (10.2%) | 380 (11.5%) | 304 (11.8%) | |
Other | 1387 (16.6%) | 458 (18.2%) | 551 (16.7%) | 378 (14.7%) | |
Grade | |||||
Grade 1 | 1703 (20.3%) | 474 (18.9%) | 717 (21.8%) | 512 (19.9%) | 0.010 |
Grade 2 | 2163 (25.8%) | 635 (25.3%) | 834 (25.3%) | 694 (27.0%) | |
Grade 3 | 2219 (26.5%) | 566 (22.5%) | 902 (27.4%) | 751 (29.3%) | |
Unknown | 2287 (27.3%) | 836 (33.3%) | 841 (25.5%) | 610 (23.8%) | |
