Table 1 Characteristics of eligible studies considered in the meta-analysis

From: A46G and C79G polymorphisms in the β2-adrenergic receptor gene (ADRB2) and essential hypertension risk: a meta-analysis

Ethnicity

First author (year)

Single-nucleotide polymorphism

Case no.

Control no.

Diagnostic standard

Asian

Misonoa (2009)7

A46G

194

208

SBP140, DBP90

Asian

Yu (2008)9

A46G, C79G

58

58

SBP140, DBP90

Asian

Mo (2007)11

C79G

288

149

SBP140, DBP90

Asian

Wu CHN-Hani (2006)5

A46G, C79G

172

133

SBP140, DBP90

Asian

Wu CHN-Yi (2006)5

A46G, C79G

99

134

SBP140, DBP90

Asian

Ge (2005)10

C79G

503

504

SBP160, DBP100

Asian

Kato (2001)16

A46G, C79G

1141

852

SBP160, DBP95

Caucasian

Gjesing (2007)20

A46G, C79G

2511

3984

SBP140, DBP90

Caucasian

Bartels (2007)15

A46G, C79G

258

171

SBP140, DBP90

Caucasian

Pojoga (2006)6

A46G, C79G

280

65

DBP90 (with treatment) or DBP100

Caucasian

Filigheddu (2004)4

A46G

517

184

SBP140, DBP90

Caucasian

Castellano (2003)8

A46G, C79G

324

247

SBP140, DBP90

Caucasian

Sunder-Plassmann (2002)13

A46G, C79G

182

182

DBP120

Caucasian

Herrmann SM (2002)17

A46G, C79G

707

290

DBP100

Caucasian

Herrmann V (2000)18

A46G

36

101

SBP140, DBP95

Caucasian

Xie (2000)14

A46G, C79G

201

179

SBP140, DBP90

Caucasian

Jia (2000)19

C79G

298

298

SBP160, DBP90

Mixed African

Tang (2003)27

A46G

134

143

SBP160, DBP100

Mixed African

Xie (2000)14

A46G, C79G

155

128

SBP140, DBP90

Mixed African

Candy (2000)12

A46G, C79G

192

123

DBP90

  1. Abbreviations: DBP, diastolic blood pressure; SBP, systolic blood pressure.