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Table 1 Main characteristics of the studies included in this meta-analysis

From: Association between GDF5 rs143383 genetic polymorphism and musculoskeletal degenerative diseases susceptibility: a meta-analysis

First author

Year

Country

Ethnicity

Sample size

Disease

Sex

Age (y)

Genotyping method

Quality

Citation

Case

Control

Mu J

2014

China

Asian

231

370

LDH

Both

21.9

DNA analyzers

Y

[17]

Mu J

2013

China

Asian

305

587

LBP

Both

48.4

DNA analyzers

Y

[18]

Williams FMK a

2011

UK

Caucasian

194

1268

LDD

Both

65.7

KASPar chemistry

Y

[19]

Williams FMK b

2011

UK

Caucasian

33

539

LDD

Both

54.7

KASPar chemistry

Y

[19]

Williams FMK c

2011

UK

Caucasian

54

704

LDD

Both

62.9

KASPar chemistry

Y

[19]

Williams FMK d

2011

UK

Caucasian

18

574

LDD

Both

53.6

KASPar chemistry

Y

[19]

Williams FMK e

2011

UK

Caucasian

14

116

LDD

Both

65.8

KASPar chemistry

Y

[19]

Tülüce Y

2017

Turkey

Caucasian

95

77

OA

Both

62.5

PCR-RFLP

Y

[20]

Abd Elazeem MI

2017

Egypt

Caucasian

50

50

Primary knee OA

Both

56.5

TaqMan

Y

[21]

Sabah-Ozcan S

2016

Turkey

Caucasian

94

279

Knee OA

Both

58.4

PCR-RFLP

Y

[22]

Xiao JL

2015

China

Asian

114

126

Temporomandibular joint OA

Both

33.6

PCR-RFLP

Y

[23]

Mishra A

2013

India

Asian

300

300

Knee OA

Both

54.0

PCR-RFLP

Y

[5]

Tawonsawatruk T

2011

Thailand

Asian

90

103

Knee OA

Both

68.5

PCR-RFLP

Y

[29]

Cao Z

2010

Korea

Asian

276

298

Knee OA

Both

63.0

PCR-RFLP

Y

[30]

Valdes AM

2009

UK

Caucasian

259

509

Knee OA

Both

68.5

Allele-specific PCR

Y

[31]

Tsezou A

2007

Greece

Caucasian

251

268

Knee OA

Both

67.9

Direct sequence

Y

[32]

Miyamoto Y a

2007

Japan

Asian

718

861

Knee OA

Both

71.9

TaqMan

Y

[33]

Miyamoto Y b

2007

China

Asian

313

485

Knee OA

Both

58.8

TaqMan

Y

[33]

Miyamoto Y c

2007

Japan

Asian

998

983

Hip OA

Both

71.9

TaqMan

Y

[33]

Southam L a

2007

UK

Caucasian

509

822

Knee OA

Both

65.0

PCR-RFLP

Y

[34]

Southam L b

2007

Spain

Caucasian

274

1196

Knee OA

Both

65.0

TaqMan

Y

[34]

Shin MH

2012

Korea

Asian

725

1737

Knee OA

Both

67.4

High resolution melting analysis

Y

[35]

  1. a,b,c,dand e denote an independent study in one article, respectively; LDD lumbar disc degeneration, LDH lumbar disc herniation, LBP low-back pain, OA osteoarthritis, RT-PCR real-time polymerase chain reaction, PCR-RFLP polymerase chain reaction-restriction fragment-length polymorphism, Y yes