Laparoscopy-assisted gastrectomy remains safe and feasible for gastric cancer patients with a history of upper abdominal surgery

doi:10.3748/wjg.v32.i23.118489

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World Journal of Gastroenterology

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1007-9327

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World J Gastroenterol. Jun 21, 2026; 32(23): 118489
Published online Jun 21, 2026. doi: 10.3748/wjg.v32.i23.118489

Table 1 Baseline characteristics of patients, n (%)

Characteristics	Overall cohort (unadjust)				PSM cohort				IPTW cohort
Characteristics	Laparoscopic (n = 83)	Open (n = 96)	P value	SMD	Laparoscopic (n = 74)	Open (n = 74)	P value	SMD	Laparoscopic (n = 70.35)	Open (n = 86.23)	P value	SMD
Age (year)	59.0 (52.0, 65.0)	58.5 (53.8, 64.0)	0.867	0.04	58.0 (52.0, 64.8)	58.0 (53.0, 64.0)	0.885	0.03	59.00 (52.0, 65.0)	58.00 (53.0, 64.0)	0.933	< 0.01
Sex			0.505	0.06	-		1.000	0.01	-
Female	33 (39.8)	44 (45.8)			30 (40.5)	31 (41.9)			28.26 (40.2)	36.70 (42.6)	0.756	0.05
Male	50 (60.2)	52 (54.2)			44 (59.5)	43 (58.1)			42.08 (59.8)	49.53 (57.4)	0.756	0.05
BMI (kg/m²)	23.6 (22.7, 25.4)	24.6 (23.2, 25.7)	0.424	0.15	23.6 (22.5, 25.4)	24.0 (22.4, 25.5)	0.775	0.06	23.60 (22.6, 25.4)	23.97 (22.6, 25.6)	0.718	0.07
ASA score			0.372	0.12	-		0.799	0.04	-
1	15 (18.1)	18 (18.8)			14 (18.9)	15 (20.3)			11.65 (16.6)	5.15 (17.6)	0.893	0.07
2	41 (49.4)	38 (39.6)			38 (51.4)	34 (45.9)			34.09 (48.5)	38.63 (44.8)	-	-
3	27 (32.5)	40 (41.7)			22 (29.7)	25 (33.8)			24.61 (35.0)	32.45 (37.6)	-	-
Neoadjuvant chemotherapy			1.000	0.01	-		0.838	0.03	-
No	69 (83.1)	79 (82.3)			60 (81.1)	58 (78.4)			57.90 (82.3)	70.87 (82.2)	0.984	< 0.01
Yes	14 (16.9)	17 (17.7)			14 (18.9)	16 (21.6)			12.45 (17.7)	15.36 (17.8)	-	-
cTNM stage			0.272	0.06	-		0.929	0.01	-		0.783	0.09
I	26 (31.3)	36 (37.5)			26 (35.1)	25 (33.8)			22.95 (32.6)	30.46 (35.3)
II	31 (37.3)	40 (41.7)			31 (41.9)	30 (40.5)			27.33 (38.8)	35.31 (41.0)
III	26 (31.3)	20 (20.8)			17 (23.0)	19 (25.7)			20.07 (28.5)	20.46 (23.7)

PSM: Propensity score matching; IPTW: Inverse probability of treatment weighting; SMD: Standardized mean difference; BMI: Body mass index; ASA: American Society of Anesthesiologists; cTNM: Clinical tumor-node-metastasis.

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Citation: Wang P, Song YJ, Liu X, Jiang YJ, He Y, Song YB. Laparoscopy-assisted gastrectomy remains safe and feasible for gastric cancer patients with a history of upper abdominal surgery. World J Gastroenterol 2026; 32(23): 118489
URL: https://www.wjgnet.com/1007-9327/full/v32/i23/118489.htm
DOI: https://dx.doi.org/10.3748/wjg.v32.i23.118489

Wang P, Song YJ, Liu X, Jiang YJ, He Y, Song YB. Laparoscopy-assisted gastrectomy remains safe and feasible for gastric cancer patients with a history of upper abdominal surgery. World J Gastroenterol 2026; 32(23): 118489 [DOI: 10.3748/wjg.v32.i23.118489]

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