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Table 2 Surgical outcomes

From: Comparison of Vaginal Natural Orifice Transluminal Endoscopic Surgery (vNOTES) and Laparoendoscopic Single-Site (LESS) Hysterectomy on Postoperative Pain Reduction: A Randomized Pilot Study

Outcome variables vNOTES (n = 13) LESS (n = 13) P value
Operation time, mins (range) 55 (25–105) 75 (50–110) 0.027
Estimated blood loss, mL (range) 100 (0–650) 100 (0–300) 0.687
Transfusion, n (range) 0 (0–3) 0 (0–0) 0.511
Preoperative hemoglobin, g/dL (range) 13.1 (9–14.4) 12.3 (11.114.1) 0.448
Postoperative hemoglobin, g/dL (range) 11.6 (7.8–13.8) 10.8 (8.6–14.0) 0.920
Hospitalization, days (range) 4 (4–4) 4 (4–5) 0.762
Operation type, n (%)
 Hysterectomy 1 (7.7%) 2 (15.4%) 0.721
 Hysterectomy + unilateral salpingo-oophorectomy 1 (7.7%) 0
 Hysterectomy + bilateral salpingo-oophorectomy 6 (46.2%) 6 (46.2%)
 Hysterectomy + bilateral salpingectomy 5 (38.5%) 5 (38.5%)
Diagnosis, n (%)
 Myoma 7 (53.8%) 7 (53.8%) 0.544
 CIN3 3 (23.1%) 1 (7.7%)
 Endometrial hyperplasia 1 (7.7%) 1 (7.7%)
 Adenomyosis 1 (7.7%) 1 (7.7%)
 AIS 0 1 (7.7%)
 Endometrial cancer 0 2 (15.4%)
 Cervical cancer 1 (7.7%) 0
Size of the uterus, cm, (range) 9.5 (5.1–17) 9.5 (7–15) 0.7
Weight of the uterus, g, (range) 238 (40.8–940) 196 (93–346) 0.98
Postoperative complication, n (%)    0.593
Bleeding 1 (7.7%) 1 (7.7%)  
Surgical site infection 1 (7.7%) 0  
Vaginal laceration or suture, n (%) 4 (30.8%) 3 (23.1%) 0.658
Number of additional analgesics, median (range) 1 (0–3) 1 (0–3) 0.647
  1. vNOTES vaginal natural orifice transluminal endoscopic surgery, LESS laparo-endoscopic single-site, CIN cervical intraepithelial neoplasia, AIS adenocarcinoma in situ