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Table 1 Study characteristics

From: Higher risk of revision in total knee arthroplasty after high tibial osteotomy: a systematic review and updated meta-analysis

Study

Year

Country

HTO-TKA

TKA

NOS scale

Amendola

2010

Italy

29

29

*******

Bergenudd

1997

Sweden

19

111

*****

Efe

2010

Germany

41

41

********

Erak

2011

Canada

34

1315

******

Haddad

2000

UK

50

50

******

Haslam

2007

UK

51

51

******

Karabatsos

2002

Canada

22

21

*******

Kazakos

2008

Greece

38

38

*******

Meding

2011

USA

39

39

******

Van

2007

Netherland

14

14

******

Pearse

2012

New Zealand

711

34,369

*****

DAHL

2016

Sweden

119

5013

*****

Badawy

2015

Bergen

1399

31,077

*****

Niinimaki

2014

Finland

1036

4143

******

El-Galaly

2018

Denmark

1044

63,763

*****