Table 1 Schema of patient selection
Variable | No. of patients |
|---|---|
1.All patients diagnosed with cervical cancers, 2004–2016 | 36,543 |
2. Type B or C radical hysterectomy | 31,581 |
3. Pelvic lymphadenectomy ± para-aortic lymphadenectomy | 30,641 |
4. 2009 FIGO stage IA1 with LVSI to IIB | 24,447 |
5. No pregnancy, incidental cervical cancer or previous malignant disease | 24,350 |
6. Abdominal surgery or total laparoscopic surgery | 23,409 |
7. Missing information of surgeon or date of surgery | 22,684 |