[Retracted] Tea Drinking and the Risk of Carcinoma of the Urinary Bladder: A Meta-Analysis

Table 1

Basic features of included studies.

Authors	Follow-up time	Place	Patients with carcinoma of the urinary bladder	Nononcology patients	NOS
Lu et al. [17]	1996–1997	Taiwan	40	160	7
D’Avanzo et al. [18]	1985–1990	Italy	555	855	8
Clavel and Cordier [19]	1984–1987	France	690	690	8
Risch et al. [20]	1979–1982	Canada	835	792	7
Jensen et al. [21]	1979–1981	Denmark	388	787	7
Bianchi et al. [22]	1986–1989	United States	818	1297	8
Geoffroy-Perez et al. [23]	1984–1987	France	765	765	8
Woolcott et al. [24]	1992–1994	Canada	927	2118	8
De Stefani et al. [25]	1996–2000	Uruguay	255	501	6
Jiang et al. [26]	1987–1999	United States	1586	1586	8
Hemelt et al. [27]	2005–2008	China	827	769	6