Characteristic | SCC (n=4510) | AC (n=488) | ASC (n=183) | P value | ||
SCC vs AC | SCC vs ASC | AC vs ASC | ||||
Age (mean±SD) (years) | 46.83±10.067 | 45.35±10.890 | 45.69±9.614 | 0.002* | 0.132 | 0.714 |
FIGO stage | ||||||
IA2 | 56 (1.2%) | 5 (1.0%) | 1 (0.5%) | <0.001* | 0.073 | 0.011* |
IB1 | 2051 (45.5%) | 330 (67.6%) | 101 (55.2%) | |||
IB2 | 340 (7.5%) | 34 (7.0%) | 14 (7.7%) | |||
IIA1 | 1463 (32.4%) | 91 (18.6%) | 44 (24.0%) | |||
IIA2 | 600 (13.3%) | 28 (5.7%) | 23 (12.6%) | |||
Tumor size (mean±SD) (cm) | 3.55±1.636 | 2.91±1.456 | 3.44±1.718 | <0.001* | 0.397 | <0.001* |
Depth of stromal invasion | ||||||
≤1/3 | 1260 (29.6%) | 167 (39.3%) | 57 (32.4%) | <0.001* | 0.718 | 0.280 |
>1/3 and ≤2/3 | 1452 (34.1%) | 129 (30.4%) | 59 (33.5%) | |||
>2/3 | 1540 (36.2%) | 129 (30.4%) | 60 (34.1%) | |||
Lymphovascular space invasion | ||||||
No | 2596 (62.1%) | 307 (73.3%) | 103 (58.5%) | <0.001* | 0.340 | <0.001* |
Yes | 1585 (37.9%) | 112 (26.7%) | 73 (41.5%) | |||
Peripheral nerve infiltration | ||||||
No | 3749 (91.6%) | 382 (94.3%) | 143 (84.6%) | 0.056 | 0.002* | <0.001* |
Yes | 344 (8.4%) | 23 (5.7%) | 26 (15.4%) | |||
Parametrial invasion | ||||||
No | 3879 (91.7%) | 411 (91.7%) | 167 (91.8%) | 0.997 | 0.995 | 0.994 |
Yes | 349 (8.3%) | 37 (8.3%) | 15 (8.2%) | |||
Vaginal margin involvement | ||||||
No | 4136 (98.8%) | 450 (99.1%) | 178 (98.9%) | 0.504 | 1.000 | 1.000 |
Yes | 52 (1.2%) | 4 (0.9%) | 2 (1.1%) | |||
Pelvic lymph node metastasis | ||||||
No | 3272 (76.7%) | 361 (77.0%) | 128 (72.3%) | 0.908 | 0.174 | 0.219 |
Yes | 992 (23.3%) | 108 (23.0%) | 49 (27.7%) | |||
Para-aortic lymph node metastasis | ||||||
No | 559 (85.0%) | 62 (89.9%) | 19 (86.4%) | 0.272 | 1.000 | 0.949 |
Yes | 99 (15.0%) | 7 (10.1%) | 3 (13.6%) | |||
Ovarian metastasis after oophorectomy | ||||||
No | 3157 (99.3%) | 343 (95.8%) | 145 (98.6%) | <0.001* | 0.699 | 0.184 |
Yes | 23 (0.7%) | 15 (4.2%) | 2 (1.4%) |
*P<0.05.
AC, adenocarcinoma; ASC, adenosquamous carcinoma; FIGO, International Federation of Gynecology and Obstetrics; SCC, squamous cell carcinoma.