Perioperative outcomes of transvaginal specimen extraction laparoscopic total gastrectomy and conventional laparoscopic-assisted total gastrectomy

Table 1 Baseline characteristics

	NOSES	LATG
Sex, n (%)
Male	0 (0)	23 (79.3)
Female	22 (100)	6 (20.7)
Age (year), mean (SD)	56.59	56.86
ASA classification, n (%)
I	14 (63.7)	19 (65.5)
II	8 (36.3)	10 (34.5)
Intraoperative blood loss (mL, SD)	218.18	211.72
Concomitant disease, n (%)
Hypertension	7 (32)	8 (27.6)
Diabetes	2 (9)	4 (13.8)
Cardiac	10 (4.5)	10 (3.4)
Abdominal incision length (cm)	3.18	9.28
Postoperative exhaust time (h, SD)	63.86	81.28
Body mass index (kg/m2), n (%)
Underweight < 18.5	1 (4.5)	1 (3.4)
Normal 18.5-23.9	2 (9.1)	19 (65.5)
Overweight 24-27.9	16 (72.8)	8 (27.6)
Obese ≥ 28	3 (13.6)	1 (3.5)
With previous abdominal surgery, n (%)	3 (13.6)	3 (10.3)
Preoperative CEA (ng/mL), n (%)
< 5	20 (91)	29 (100)
≥ 5	2 (9)	0 (0)
Clinical TNM stage, n (%)
I	9 (40.9)	13 (44.8)
II	4 (18.1)	1 (3.5)
III	9 (41)	15 (51.7)
Mean operation time (minutes)	284.23	221.15
Undergo postoperative chemotherapy, n (%)	17 (77.3)	18 (62)
Postoperative complications, n (%)
Postoperative bleeding	0 (0)	0 (0)
Postoperative liver metastasis	0 (0)	0 (0)
Bone metastasis	0 (0)	0 (0)
Pulmonary infection	0 (0)	0 (0)
Postoperative anastomotic leakage	0 (0)	0 (0)
Postoperative abdominal infection	0 (0)	0 (0)
Incision-related complications	0 (0)	0 (0)
Postoperative intestinal obstruction	0 (0)	0 (0)
Deep vein thrombosis or pulmonary embolism	0 (0)	0 (0)

NOSES: Natural orifice specimen extraction surgery; LATG: Laparoscopic-assisted total gastrectomy.