Postoperative Complications of Laparoscopic Total Gastrectomy versus Open Total Gastrectomy for Gastric Cancer in a Meta-Analysis of High-Quality Case-Controlled Studies

Table 2

Summary of the studies in this meta-analysis.

Author	Published year	Duration of study	N	Tumor; status	Extent of LND	Including splenectomy	Type of reconstruction	Reported matching factor^†
Kim et al. [9]	2008	2004–06	60	pT1–	D1+/D2	Yes	R-Y
Topal et al. [10]	2008	2003–06	60	pStage I–	D2	Yes	R-Y
Kawamura et al. [11]	2009	2003–08	81	cT1	D2	No	R-Y
Kim et al. [12]	2011	2009–10	190	cT1	D2-No.10	No	R-Y
Siani et al. [13]	2012	2003–09	50	pStage I–	D1+/D2-No.10,11d	No	R-Y
Bo et al. [14]	2013	2004–10	234	pT2-	D1+/D2-No.10,11d	No	R-Y
Guan et al. [15]	2013	2007–10	97	cT1-	D2	No	R-Y
Hong et al. [16]	2013	2008–12	204	pStage I–III	D2	NR	NR
Kim et al. [17]	2013	2011	346	cT1–3 N0-2	D2-No.10	No	R-Y
Kim et al. [18]	2013	2002–10	120	pSatge I–	D1+/D2	No	R-Y
Lee et al. [19]	2013	2003–10	100	pStage I–	D1+	No	R-Y
Shim et al. [20]	2013	2009–11	70	NR	D1+/D2	NR	R-Y
Lee et al. [21]	2014	2006–09	84	cT1–	D2-No.10,11d	No	R-Y
Lee et al. [7]	2015	2003–10	753	pT	D1+	No	R-Y
Ramagem et al. [22]	2015	2009–13	111	pStage I–III	D2	Yes	NR

LND, lymph node dissection; PSM, propensity score matching; R-Y; Roux-en-Y; NR, not reported.
^†Factors showing no significant statistical difference between LTG and OTG: 1, age; 2, gender; 3, body mass index; 4, comorbidity or American Society of Anesthesiologists physical status; 5, clinical or pathological TNM classification; 6, extent of lymphadenectomy; 7, type of reconstruction. Some studies did not show statistical differences in several factors.
on the 6th version of TNM classification. on the 7th version of TNM classification.