Characteristics of all patients
| Characteristics | All patients (n=1065) | P value | After matching (n=812) | P value | ||
| ARH (n=634, %) LRH (n=431,%) | ARH (n=406, %) LRH (n=406,%) | |||||
| Median age, years (range) | 45 (23–77) | 46 (21–72) | 0.32 | 45 (24–71) | 45 (21–72) | 0.91 |
| Tumor size | ||||||
| ＜2 cm | 212 (33.4) | 180 (41.8) | 0.007 | 154 (37.9) | 166 (40.9) | 0.43 |
| ≥2 cm | 422 (66.6) | 251 (58.2) | 252 (62.1) | 240 (59.1) | ||
| FIGO stage | ||||||
| IA2 | 56 (8.8) | 48 (11.1) | <0.01 | 42 (10.3) | 47 (11.6) | 0.75 |
| IB1 | 324 (51.1) | 293 (68.0) | 274 (67.5) | 270 (66.5) | ||
| IIA1 | 254 (40.1) | 90 (20.9) | 90 (22.2) | 89 (21.9) | ||
| Histology | ||||||
| Squamous | 556 (87.8) | 369 (85.6) | 0.38 | 361 (88.9) | 357 (88.0) | 0.97 |
| Adenocarcinoma | 49 (7.7) | 46 (10.7) | 34 (8.4) | 37 (9.1) | ||
| Adenosquamous | 18 (2.8) | 10 (2.3) | 6 (1.5) | 7 (1.7) | ||
| Others | 11 (1.7) | 6 (1.4) | 5 (1.2) | 5 (1.2) | ||
| Stromal invasion depth | ||||||
| <1/2 | 287 (45.3) | 248 (57.5) | <0.01 | 228 (56.2) | 231 (56.9) | 0.89 |
| ≥1/2 | 347 (54.7) | 183 (42.5) | 178 (43.8) | 175 (43.1) | ||
| LVSI | ||||||
| Negative | 426 (67.2) | 297 (68.9) | 0.59 | 286 (70.4) | 278 (68.5) | 0.59 |
| Positive | 208 (32.8) | 134 (31.1) | 120 (29.6) | 128 (31.5) | ||
| Parametrial involvement | ||||||
| Negative | 601 (94.8) | 414 (96.1) | 0.38 | 388 (95.6) | 390 (96.1) | 0.86 |
| Positive | 33 (5.2) | 17 (3.9) | 18 (4.4) | 16 (3.9) | ||
| PLN metastasis | ||||||
| Negative | 523 (82.5) | 363 (84.2) | 0.50 | 352 (86.7) | 344 (84.7) | 0.48 |
| Positive | 111 (17.5) | 68 (15.8) | 54 (13.3) | 62 (15.3) | ||
| PALN metastasis | ||||||
| Negative | 118 (18.6) | 64 (14.8) | 0.72 | 77 (20.0) | 60 (14.8) | 0.58 |
| Positive | 6 (0.9) | 2 (0.5) | 1 (0.2) | 2 (0.5) | ||
| Postoperative radiochemotherapy | ||||||
| Yes | 384 (60.6) | 267 (61.9) | 0.65 | 237 (58.4) | 243 (59.9) | 0.64 |
| No | 250 (39.4) | 164 (38.1) | 169 (41.6) | 163 (40.1) | ||
| Recurrence | ||||||
| Yes | 62 (9.8) | 40 (9.3) | 0.83 | 27 (6.7) | 37 (9.1) | 0.24 |
| No | 572 (90.2) | 391 (90.7) | 379 (93.3) | 369 (90.9) | ||
| Death | ||||||
| Yes | 56 (8.8) | 29 (6.7) | 0.21 | 20 (4.9) | 27 (6.7) | 0.29 |
| No | 578 (91.2) | 402 (93.3) | 386 (95.1) | 379 (93.3) | ||
ARH, abdominal radical hysterctomy; FIGO, International Federation of Gynecology and Obstetrics; LRH, laparoscopic radical hysterectomy; LVSI, lymphovascular space invasion; PALN, para-aortic lymph node; PLN, pelvic lymph node.