Baseline characteristics of the 1:1 matched group
| Before matching | After matching | |||||||||
| LRH (n) | LRH (%) | ARH (n) | ARH (%) | Total/p value | LRH (n) | LRH (%) | ARH (n) | ARH (%) | Total/p value | |
| No | 1634 | – | 3187 | – | 4821 | 1617 | – | 1617 | – | 3234 |
| Age (years) | 46.54±9.093 | 46.49±9.061 | 0.884 | 46.72±9.286 | 46.79±9.383 | 0.840 | ||||
| Year of surgery | <0.001 | 1.000 | ||||||||
| 2004–2009 | 52 | 3.2 | 888 | 27.9 | 52 | 3.2 | 52 | 3.2 | ||
| 2010–2016 | 1582 | 96.8 | 2299 | 72.1 | 1565 | 96.8 | 1565 | 96.8 | ||
| Histopathology | <0.001 | 1.000 | ||||||||
| Squamous cell carcinoma | 1414 | 86.5 | 2836 | 89.0 | 1411 | 87.3 | 1411 | 87.3 | ||
| Adenocarcinoma | 200 | 12.2 | 286 | 9.0 | 188 | 11.6 | 188 | 11.6 | ||
| Adenosquamous carcinoma | 20 | 1.2 | 65 | 2.0 | 18 | 1.1 | 18 | 1.1 | ||
| FIGO stage | 0.105 | 1.000 | ||||||||
| IA1 (LVSI+) and IA2 | 179 | 10.8 | 394 | 12.4 | 167 | 10.3 | 167 | 10.3 | ||
| IB1 | 1458 | 89.2 | 2793 | 87.6 | 1450 | 89.7 | 1450 | 89.7 | ||
| Stromal invasion | <0.001 | 1.000 | ||||||||
| ≤1/2 | 1010 | 61.8 | 1815 | 57.0 | 1008 | 62.3 | 1008 | 62.3 | ||
| ＞1/2 | 407 | 24.9 | 995 | 31.2 | 405 | 25.0 | 405 | 25.0 | ||
| N/A | 217 | 13.3 | 377 | 11.8 | 204 | 12.6 | 204 | 12.6 | ||
| Lymphovascular invasion | 0.391 | 0.962 | ||||||||
| Negative | 1374 | 84.1 | 2649 | 83.1 | 1358 | 84.0 | 1357 | 83.9 | ||
| Positive | 260 | 15.9 | 538 | 16.9 | 259 | 16.0 | 260 | 16.1 | ||
| Parametrial invasion | 0.097 | 1.000 | ||||||||
| Negative | 1620 | 99.1 | 3142 | 98.6 | 1604 | 99.2 | 1604 | 99.2 | ||
| Positive | 14 | 0.9 | 45 | 1.4 | 13 | 0.8 | 13 | 0.8 | ||
| Vaginal margin status | 0.476 | 0.576 | ||||||||
| Negative | 1621 | 99.2 | 3155 | 99.0 | 1604 | 99.2 | 1601 | 99.0 | ||
| Positive | 13 | 0.8 | 32 | 1.0 | 13 | 0.8 | 16 | 1.0 | ||
| Lymph nodes | 0.008 | 1.000 | ||||||||
| Non-metastasis | 1421 | 87.0 | 2680 | 84.1 | 1406 | 87.0 | 1406 | 87.0 | ||
| Metastasis | 213 | 13.0 | 507 | 15.9 | 211 | 13.0 | 211 | 13.0 | ||
| Adjuvant therapy | <0.001 | 0.345 | ||||||||
| No | 1297 | 79.4 | 2372 | 74.4 | 1284 | 79.4 | 1262 | 78.0 | ||
| Yes | 337 | 20.6 | 815 | 25.6 | 333 | 20.6 | 355 | 22.0 | ||
ARH, abdominal radical hysterectomy; IA1, IA2, and IB1, International Federation of Gynecology and Obstetrics (FIGO) 2009 stage; LRH, laparoscopic radical hysterectomy; LVSI+, lymphovascular space invasion positive.