Thoracotomy is better than thoracoscopic lobectomy in the lymph node dissection of lung cancer: a systematic review and meta-analysis

Zhang, Wenxiong; Wei, Yiping; Jiang, Han; Xu, Jianjun; Yu, Dongliang

doi:10.1186/s12957-016-1038-7

Table 1 Summary of the 29 trials included in the present meta-analysis

From: Thoracotomy is better than thoracoscopic lobectomy in the lymph node dissection of lung cancer: a systematic review and meta-analysis

Study		Institution	Enrolled year		No. of patients		Clinical stage	Outcomes	Design	Quality
Study		Institution	VATS	Open	VATS	Open	Clinical stage	Outcomes	Design	Quality
1995	Kirby [28] USA	Single	1991.10–1993.12	1991.10–1993.12	25	30	I	①	RCT	3
1998	Morikawa [29] JPN	Single	1996.04–1996.12	1995.01–1996.03	39	41	I–II	③	Retrospective	9
2000	Luketich [30] USA	Single	Not mentioned	Not mentioned	31	31	I	①	Retrospective	7
2000	Sugi [31] JPN	Single	1993.01–1994.06	1993.01–1994.06	48	52	Ia	③, ⑤	RCT	3
2001	Nomori [32] JPN	Single	1999.08–2000.12	1998.04–1999.07	33	33	I	①,⑦,⑧	Retrospective	7
2005	Watanabe [33] JPN	Single	1997–2004	1997–2004	221	190	I	①, ③, ⑦, ⑧	Retrospective	8
2006	Petersen [34] USA	Single	2001–2005	1996–2005	12	85	I–IV	②	Retrospective	8
2006	Shigemura [35] JPN	Multi	1999.01–2004.01	1999.01–2004.01	50	55	Ia	①	Retrospective	9
2008	Shiraishi [36] JPN	Single	1994.11–2005.10	1994.11–2005.10	20	55	I	③, ⑤	Retrospective	8
2008	Watanabe [37] JPN	Single	1997–2006	1997–2006	37	32	I	①, ②, ③, ④	Retrospective	8
2008	Whitson [38] USA	Single	Not mentioned	Not mentioned	6	7	Not mentioned	①	Retrospective	6
2009	Nakanishi [39] JPN	Single	2000.04–2007.01	2000.04–2007.01	13	14	I–IV	③	Retrospective	8
2009	Okur [40] TR	Single	2007.01–2007.11	2007.01–2007.11	20	28	I	②	Retrospective	8
2010	Denlinger [21] USA	Single	2000.01–2008.08	2000.01–2008.08	79	464	I	①, ③, ⑤	Retrospective	8
2011	D’Amico [41] USA	Single	2007.01–2010.09	2007.01–2010.09	199	189	I–III	②,④	Retrospective	7
2012	Bu [42] CHN	Single	2001.05–2011.04	2001.05–2011.04	46	87	Not mentioned	①, ②	Retrospective	7
2012	Li [43] CHN	Single	2006.09–2009.12	2006.09–2009.12	29	47	I	③, ④	Retrospective	8
2012	Licht [44] DNK	Multi	2007.01–2011.12	2007.01–2011.12	717	796	I	②	Retrospective	8
2013	Fan [45] CHN	Single	2005.01–2010.12	2005.01–2010.12	79	77	I–II	①, ②	Retrospective	8
2013	Lee [22] USA	Single	1990.05–2011.12	1990.05–2011.12	141	115	Not mentioned	①, ②, ③, ④, ⑤, ⑥	Retrospective	8
2013	Palade [46] GER	Single	2008.05–2011.12	2008.05–2011.12	32	32	I	①, ⑦, ⑧	RCT	3
2013	Zhong [47] CHN	Single	2006.03–2011.08	2006.03–2011.08	67	90	I	①, ②, ③, ④	Retrospective	8
2014	Li [48] CHN	Single	2011.02–2013.02	2011.02–2013.02	21	32	I–II	①	Retrospective	8
2014	Stephens [4] USA	Single	2002.01–2011.12	2002.01–2011.12	307	307	I	②	Retrospective	8
2015	Cai [49] CHN	Single	2010.01–2012.05	2010.01–2012.05	71	67	I–II	①, ②	Retrospective	9
2015	Kuritzky [50] USA	Single	2007–2012	2007–2012	74	224	I	②	Retrospective	8
2015	Murakawa [51] JPN	Single	2001–2010	2001–2010	101	101	I	①, ②	Retrospective	8
2015	Nwogu [6] USA	Multi	2004.10–2010.06	2004.10–2010.06	175	175	I–II	①, ②	Retrospective	7
2015	Zhang [52] CHN	Single	2012.10–2013.11	2012.10–2013.11	70	28	I	①	Retrospective	9

① total lymph node number, ② total lymph node station number, ③ N2 LNN, ④ N2 LNS, ⑤ N1 LNN, ⑥ N1 LNS, ⑦ left-side LNN, ⑧ right-side LNN
CHN China, DNK Denmark, JPN Japan, GER Germany, TR Turkey, USA United States of America, RCT randomized controlled trial

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