Genetic Analysis of LRRK2 R1628P in Parkinson’s Disease in Asian Populations

Table 1

Attributes of all included studies.

Publications	Ethnicity	Region	Total number of cases/controls	R1628P carriers of case/control	Age of case/control	Male ratio of case/control	NOS
2008 Lu et al. [17]	Chinese	Taiwan		62/20			8
2008 Ross et al. [19]	Chinese	Taiwan and Singapore		66/31	NA	NA	8
2008 Ross et al. [19]	Non-Chinese	Japan		0/0	NA	NA	8
2008 Tan et al. (2) [20]	Chinese	Singapore		21/8			8
2008 Tan et al. (1) [21]	Non-Chinese	Malaysia and Indian		3/6		NA	9
2009 Zhang et al. [22]	Chinese	China		43/11			7
2009 Yu et al. [23]	Chinese	China		17/6			9
2009 Zabetian et al. [24]	Non-Chinese	Japan		0/0	NA	NA	9
2010 Kim et al. [15]	Non-Chinese	Korea		3/1	NA	NA	8
2011 Pulkes et al. [25]	Thai/Chinese	Thai		15/5	NA		8
2012 Zhou et al. [16]	Chinese	China		2/5			8
2013 Fu et al. [13]	Chinese	China		47/21			9
2013 Wu-Chou et al. [12]	Chinese	Taiwan		58/18	NA	NA	8
2013 Cai et al. [26]	Chinese	China		29/19			9
2013 Wu et al. [27]	Chinese	Taiwan		34/22			8
2014 Pulkes et al. [11]	Non-Chinese	Thai		54/29			9
2014 Gopalai et al. [10]	Non-Chinese	Malaysia		43/18			8
2015 Guo et al. [28]	Chinese	China		49/44			9

NOS: Newcastle–Ottawa Scale. NA: not available.