A comparison of total versus partial omentectomy for advanced gastric cancer in laparoscopic gastrectomy

Table 2 Surgical outcomes in patients with serosa-negative advanced gastric cancer (AGC) according to the type of omentectomy

Variable		Total omentectomy (n = 80)	Partial omentectomy (n = 66)	P
Lymph node (LN) dissection	D1 + β	2 (2.5)	6 (7.6)	0.153
	D2	78 (97.5)	61 (92.4)
Number of retrieved LNs^a		34.6 ± 14.7	39.8 ± 14.7	0.034
Number of metastatic LNs^a		4.3 ± 8.5	2.9 ± 5.3	0.228
Omentectomy time (min)^a		50.9 ± 15.5	35.1 ± 13.0	%0.001
Omentectomy-related complication		2^b	0	0.198
Recurrence		14 (17.5)	5 (7.6)	0.076

^aMean ± standard deviation; nominal variables are expressed as number (%).
^bComplications included intra-operative spleen and mesocolon injury, requiring concurrent splenectomy and transverse colectomy.

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