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Table 1 Characteristics of literatures included in this meta-analysis

From: Genetic effects of rs3740199 polymorphism in ADAM12 gene on knee osteoarthritis: a meta-analysis

Year

First author

OA type

Country

Ethnicity

Assessment of OA

Genetyping

Source of controls

Cases

Controls

2009

J. Rodriguez-Lopez

TKR

Spain

European

K/L score

Multiplex single-base extension

PB

262

294

  

TKR

UK

European

K/L score

Multiplex single-base extension

PB

360

698

  

TKR

Greece

European

K/L score

Multiplex single-base extension

PB

159

193

2009

I. Kerna

TFOA

Estonian

European

OA score

PCR-RFLP

PB

66

123

  

PFOA

Estonian

European

OA score

PCR-RFLP

PB

97

92

2012

Min-Ho Shin

Knee OA

Korea

Asian

K/L score

TaqMan

PB

725

1737

2014

Suliang Lou

Knee OA

China

Asian

K/L score

TaqMan

PB

152

179

2015

LinWang

Knee OA

China

Asian

K/L score

iMLDR

PB

164

200

2016

Thitiya Poonpet

Knee OA

Thai

Asian

K/L score

HRM analysis

PB

200

200

  1. K/L score Kellgren–Lawrence score, PB population based, TKR total knee replacement, TFOA tibiofemoral knee OA, PCR-RFLP polymerase chain reaction-restriction fragment length polymorphism, PFOA patellofemoral knee OA, iMLDR improved multiplex ligase detection reaction, HRM high resolution melting