Table 1 Characteristics of included studies on tumor location and UTUC

From: The impact of tumor location and multifocality on prognosis for patients with upper tract urothelial carcinoma: a meta-analysis

Study	Location	Study period	No. of participants	Tumor location and No. of cases	Median age (range), yr	Study quality^a	Adjusted variables
Raman 2009	globe	1987–2007	1249	U:426	68(27–97)	8	age, gender, surgical approach (open vs laparoscopic), prior endoscopic therapy, pT stage, grade, lymph node status
Raman 2009	globe	1987–2007	1249	P:823	68(27–97)	8
Yafi 2011	globe	1990–2010	673	U:215	68(61–75)	8	age, gender, race, presence of lymphovascular invasion, concomitant carcinoma in situ, pathological stage, lymph node dissection and type of surgery (open vs laparoscopic)
				P:376
				M:46
Novara 2007	Europe	1989–2005	269	U:92	67.7	8	age, gender, history of previous bladder cancer, synchronous muscle-invasive bladder TCC, pT stage, tumor grade, lymph nodes, presence of lymphatic and/or vascular invasion, surgical margin status, tumor site
				P:101
				M:113
Isbarn 2009	USA	1988–2004	2824	U:911	NR	8	age, race, region, gender, types of surgery, pT stage, pN stage, tumor grade and year of surgery quartiles
Isbarn 2009	USA	1988–2004	2824	P:1913	NR	8
Kobayashi 2010	Japan	2000–2004	221	U:111	72(46–92)	8	age, sex, pT stage, tumor grade, venous invasion, lymphatic invasion, surgical techniques
Kobayashi 2010	Japan	2000–2004	221	P:110	72(46–92)	8
Dragicevic 2007	Serbia	1998–2005	114	U:30	67(38–86)	7	age, sex, BEN or non-endemic area of residence, serum, creatinine levels, Hb, synchronous bladder tumor, tumor size, tumor grade, tumor stage and lymphovascular invasion
				P:37
				M:36
Favaretto 2010	USA	1995–2008	253	U:78	72(64–77)	8	age, gender, race, smoking history, previous non-muscle-invasive bladder tumor, pT stage, pN stage, tumor grade, concomitant carcinoma in situ
Favaretto 2010	USA	1995–2008	253	P:171	72(64–77)	8
Akdogan 2005	Turkey	1987–2003	72	U:21	58.9	8	age, sex, T stage, grade, bladder tumor history
Akdogan 2005	Turkey	1987–2003	72	P:51	58.9	8	age, sex, T stage, grade, bladder tumor history
Park 2004	Korea	1991–2001	86	U:41	59.5	9	age, grade, T stage, N stage, grade,
Park 2004	Korea	1991–2001	86	P:45	59.5	9	age, grade, T stage, N stage, grade,
Chromecki 2011	globe	1987–2007	2492	U:640	69.2(54.1–84.2)	8	age, gender, T stage, N stage, tumor stage, tumor architecture, lymphovascular invasion, lymph node involvement, receiving adjuvant chemotherapy
				P:1262
				M:590
Lehmann 2006	Germany	1975–2004	145	U:136	68(29–85)	8	age, sex, pT stage, tumor grade, N stage, tumor stage, treatinin, alkaline phosphatase, WBC count, blood urea nitrogen, platelet count
Lehmann 2006	Germany	1975–2004	145	M:19	68(29–85)	8
Milojevic 2011	Serbia	1999–2009	133	U:45	NR	7	age, sex, laterality, previous carcinoma not invading bladder muscle, tumor grade, tumor stage, N stage, lymphovascular invasion
Milojevic 2011	Serbia	1999–2009	133	P:88	NR	7
Ouzzane 2011	France	1995–2010	609	U:185	70(62–76)	8	age, sex, pT stage, tumor grade, N stage, lymphovascular invasion,
				P:317
				M:107
Zhang 2012	China	2000–2010	217	U:71	69(62–81)	8	gender, age, tumor stage, tumor grade, lymphovascular invasion, and lymph node status, preoperative hydronephrosis, type of surgery, follow-up
Zhang 2012	China	2000–2010	217	P:146	69(62–81)	8
Park 2009	Korea	1991–2005	224	U:102	63	9	age, sex, T stage, N stage, grade, adjuvant chemotherapy
Park 2009	Korea	1991–2005	224	P:122	63	9	age, sex, T stage, N stage, grade, adjuvant chemotherapy
Mouracade 2011	Canada	1985–2005	269	U:108	66.7	8	age, gender, pT stage, pN stage, tumor grade, surgical margin status, adjuvant chemotherapy, period of diagnosis
Mouracade 2011	Canada	1985–2005	269	P:161	66.7	8
Cha 2012	globe	1987–2007	2244	U:795	69.9	9	age, gender, pT stage, pN stage, tumor grade, lymphovascular invasion, sessile tumor architecture, concomitant CIS, previous bladder cancer
Cha 2012	globe	1987–2007	2244	P:1449	69.9	9

Abbreviation: M, multifocal; NR, not reported; P, pelvis; U, ureter.
^a: Study quality was judged on the basis of the Newcastle-Ottawa Scale (1–9 stars).

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Table 1 Characteristics of included studies on tumor location and UTUC

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