Table 2

Surgical characteristics, peri-operative outcomes, and histopathological findings of the overall cohort

VariableAllNon-SLN
(Group 1)
SLN
(Group 2)
P value
All cases, N460192 (41.7)268 (58.3)
Previous uterine surgery142 (30.9)70 (36.5)72 (26.9)0.032
Previous abdominal or pelvic surgery227 (49.3)95 (49.5)132 (49.3)0.962
Previous vaginal delivery253 (55.0)109 (56.8)144 (53.7)0.569
Previous cesarean section129 (28.0)57 (29.7)72 (26.9)0.529
Surgical approach<0.001
 LPT57 (12.4)35 (18.2)22 (8.2)
 LPS314 (68.3)145 (75.5)169 (63.1)
 Robotic89 (19.3)12 (6.3)77 (28.7)
Surgical procedures
 BSO413 (89.8)168 (87.5)245 (91.4)0.212
 Bulky pelvic lymph node removal32 (7.0)8 (4.2)24 (9.0)0.062
 Bulky lumbo-aortic lymph node removal6 (1.3)3 (0.7)3 (0.7)0.697
Estimated blood loss, mL, median (IQR)50 (50–100)50 (50–100)50 (50–100)0.075
Operative time, min, median (IQR)120 (100–120)113 (110–120)120 (110–120)0.143
Intra-operative complications
 All grades16 (3.5)7 (3.6)9 (3.4)0.868
 CTCAE 116 (100)7 (100)9 (100)
 CTCAE 2–50 (0.0)0 (0.0)0 (0.0)
Post-operative complications
 All grades16 (3.5)3 (1.6)13 (4.9)0.071
 Grade 1–213 (81.3)2 (66.7)11 (84.6)0.489
 Grade 3–53 (18.7)1 (33.3)2 (15.4)
Final histopathological diagnosis<0.001
 Atypical hyperplasia/benign condition243 (52.8)138 (71.9)105 (39.2)
 Endometrial cancer217 (47.2)54 (28.1)163 (60.8)
  • Values shown as n (%) unless stated otherwise.

  • *Mann–Whitney U test.

  • BSO, bilateral salpingo-oophorectomy; CTCAE, Common Terminology Criteria for Adverse Events; LPS, laparoscopy; LPT, laparotomy; SLN, sentinel lymph node.