A systematic review and meta-analysis of the seroprevalence of Toxoplasma gondii in cats in mainland China

Ding, Huan; Gao, Yu-Meng; Deng, Yao; Lamberton, Poppy H. L.; Lu, Da-Bing

doi:10.1186/s13071-017-1970-6

Parasites & Vectors

Table 1 Characteristics of the eligible studies

From: A systematic review and meta-analysis of the seroprevalence of Toxoplasma gondii in cats in mainland China

Author	Year	Region	Period of study	Serological method	Positivity	Detailed information on cats	Total no. of cats	No. of positive cats (%)	Quality score
Fu et al. [36]	1995	Shandong	1991–1993	IHA^a	≥ 1:64	No	200	92 (46.00)	8
Lu et al. [41]	1997	Shanghai	1994–1995	IHA^b	≥ 1:80	Gender, age, Season	142	54 (38.01)	10
Chen et al. [32]	2001	Hubei		ELISA^f	IgG or CAg positive	No	105	33 (31.43)	8
Zhao et al. [58]	2001	Shandong		IHA^a	≥ 1:64	No	185	82 (44.32)	7
Chen et al. [66]	2003	Shenzhen, Guangdong		IHA^a	≥ 1:64	No	65	12 (18.46)	6
Yuan et al. [54]	2004	Baoding, Hebei	2000–2001	ELISA^g	IgG or CAg positive	No	75	43 (57.33)	9
Yu et al. [53]	2006	Beijing		ELISA^c	IgG positive	Gender, age	128	18 (14.06)	9
Dubey et al. [35]	2007	Guangzhou, Guangdong	2006	MAT	≥ 1:40	No	34	27 (79.41)	6
Yu et al. [51]	2008	Beijing	1999–2005	ELISA^c	IgG positive	Gender, age	335	50 (14.93)	9
Huang et al. [38]	2008	Haikou, Hainan	2007–2008	ELISA^d	IgG positive	No	251	14 (5.58)	8
Zhang et al. [56]	2009	Guangzhou, Guangdong		ELISA^d	IgG positive	Stray or pet, gender, age	206	52 (25.24)	9
Sun et al. [46]	2009	Beijing and neighbor	2008	ELISA^c	IgG positive	Gender	172	32 (18.60)	8
Zhang et al. [64]	2009	Beijiang, Xinjiang		IHA^a	≥ 1:64	No	42	3 (7.14)	8
Lu et al. [40]	2010	Huhehaote, Inner Monglia	2009–2010	ELISA^e	IgG positive	Gender	87	9 (10.34)	9
Lu et al. [65]	2010	Lanzhou, Gansu	2008–2009	Test Paper^k	antigen positive	Age	159	14 (8.81)	8
Xie et al. [50]	2010	Shenzhen, Guangdong	2009–2010	ELISA^d	IgG positive	No	278	13 (4.68)	9
Zhang et al. [55]	2010	Zhengzhou, Henan	2009	IHA^a	≥ 1:64	Gender, age	58	9 (15.52)	10
Chen et al. [62]	2010	Shanghai	2009–2009	IHA^a	≥ 1:64	Stray or pet	270	65 (24.07)	9
Qian et al. [45]	2010	Beijing		ELISA^h	IgG positive	Stray or pet	323	58 (17.96)	8
Huang et al. [37]	2011	Zhejiang		Test Paper^k	antigen positive	Stray or pet	341	91 (26.69)	10
Wu et al. [49]	2011	Lanzhou, Gansu	2010–2011	MAT	≥ 1:25	Stray or pet, Gender, age	221	47 (21.27)	10
Wang et al. [48]	2012	Shanghai	2010–2011	ELISA^d	IgG positive	Gender, age	145	25 (17.24)	10
Qian et al. [44]	2012	Beijing	2009–2011	MAT	≥ 1:20	No	64	37 (57.81)	8
Qi et al. [43]	2012	Beijing	2011	IHA^a	≥ 1:64	No	176	7 (3.98)	9
Wang et al. [47]	2012	Zhengzhou, Henan	2010–2011	IHA^a	≥ 1:64	Age	195	102 (52.31)	10
Cui et al. [63]	2012	Beijing	2010–2011	ELISA^c	IgG positive	Age, gender, season	561	119 (21.21)	8
Yu et al. [52]	2013	Pudong, Shanghai		ELISA^c	IgG positive	Stray or pet	27	5 (18.52)	8
Zhuo et al. [60]	2013	Taizhou, Jiangsu	2012	IHA^a	≥ 1:64	No	215	43 (20.00)	9
Wang et al. [69]	2013	Fujian	2012	ELISA^d	IgG positive	No	530	238 (45.00)	7
Liu et al. [39]	2014	Zhenjiang, Jiangsu	2013	ELISA^d	IgG positive	Stray or pet	116	24 (20.69)	10
Deng et al. [34]	2014	Changsha, Hunan	2011–2012	ELISA^c	IgG positive	Gender, age	75	21 (28.00)	10
Fu et al. [67]	2014	Xuzhou, Jiangsu	2010–2012	ELISA^c	IgG positive	No	41	17 (41.46)	8
Zhao et al. [57]	2015	Beijing	2012–2014	ELISA^c	IgG positive	Season	286	60 (20.98)	9
Deng et al. [33]	2015	Shanghai	2014	ELISAⁱ	IgG positive	No	91	5 (5.49)	8
Lai et al. [68]	2015	Beijing	2013	ELISAⁱ	IgG positive	No	48	2 (4.17)	8
Mayilai et al. [42]	2015	Kuche, Xinjiang	2014	ELISA^j	IgG positive	Gender, age	87	34 (39.08)	8
Zheng et al. [59]	2015	Shandong	2012–2013	ELISA^e	IgG positive	Gender, age	589	23 (3.90)	10
Cong et al. [61]	2016	Lanzhou, Gansu	2014–2015	MAT	≥ 1:25	Stray or pet, Gender, age	362	70 (19.34)	10

Abbreviations: ELISA Enzyme Linked Immunosorbent Assay, IHA Indirect Haemagglutination test, MAT Modified Agglutination Test, Test Paper, test paper for TOXO-Ag
^aThe test kits were produced by Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Science (Cut-off titer 1:64)
^bBy Shanghai No. 2 Medical School, Parasite Research Section (Cut-off titer 1:80)
^cBy Zhuhai S.E.Z Haitai Biological Pharmaceuticals Co., Ltd. (IgG positive)
^dBy Shenzhen Combined Biotech Co., Ltd. (IgG positive)
^eBy Shanghai Touching Technology Co., Ltd. (IgG positive)
^fBy Hubei Academy of Medical Sciences (IgG or CAg positive)
^gBy Zhejiang Institute of Parasitic Disease (IgG or CAg positive)
^hBy Animal Medicine College, China Agricultural University (IgG positive)
ⁱBy French ID-VET company (IgG positive)
^jBy Parasite Laboratory of Xinjiang Agricultural University (IgG positive)
^kBy Quicking Biotech Co., Ltd. (antigen positive)

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ISSN: 1756-3305

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