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Clinical and pathological data of the patients
| Variable | Group U | Group B | P value |
| Age (yr) | 58.0 ± 11.4 | 61.8 ± 11.4 | 0.030 |
| Gender | 0.287 | ||
| Male | 60 (75.9) | 54 (68.4) | |
| Female | 19 (24.1) | 25 (31.6) | |
| Pathological tumor stage | 0.822 | ||
| IB | 3 (3.8) | 2 (2.5) | |
| IIA | 31 (39.2) | 27 (34.2) | |
| IIIB | 28 (35.4) | 29 (36.7) | |
| IIIA | 17 (21.5) | 21 (26.6) | |
| Operative time (min) | 154.8 ± 17.8 | 145.5 ± 15.1 | 0.001 |
| Blood loss (mL) | 74.1 ± 26.7 | 74.0 ± 36.6 | 0.980 |
Values are presented as number (%) or mean ± SD.
