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Table 1 Characteristics of the studies in meta-analysis

From: Valgus knee bracing may have no long-term effect on pain improvement and functional activity in patients with knee osteoarthritis: a meta-analysis of randomized trials

Study

Year

Country/region

Journal

Study type

Level of evidence

Sample size (T/C)a

Gender (M/F)

Median age (T/C)a

BMIa (T/C)a

Length of follow-up

Hunter et al. [15]

2012

Australia.

Ann Rheum Dis

RCT

I

29/27

30/50

63.0/60.0

32.7/34.7

30 weeks

van Raaij et al. [19]

2010

Netherlands

Clin Orthop Relat Res

RCT

I

46/45

46/45

54.9/54.4

29.0/29.4

26 weeks

Yu et al. [20]

2016

Australia.

Int J Rheum Dis.

RCT

II

86/68

54/100

67.7/67.0

30.7/33.2

52 weeks

Dammere et al. [21]

2018

Austria

Knee Surg Sports Traumatol Arthrosc

RCT

I

21/21

22/20

50.6/53.3

24.7/26.5

52 weeks

Thoumie et al. [22]

2018

France

Sci Rep.

RCT

I

32/35

23/44

64.8/66.6

29.2/28.1

6 weeks

Jones et al. [23]

2012

UK

Gait Posture

RCT

I

28/28

NA

NA

NA

2 weeks

Callaghan et al. [24]

2015

USA

Ann Rheum Dis

RCT

I

56/61

NA

NA

NA

6 weeks

Müller-Rath et al. [25]

2011

Germany

Z Orthop Unfall.

RCT

I

13/10

16/7

49.8/57.4

27/28

16 weeks

Niazi et al. [26]

2014

Pakistan

Pak J Med Sci

RCT

I

56/53

NA

NA

NA

26 weeks

Arazpour et al. [27]

2013

Iran

Prosthet Orthot Int

RCT

I

12/12

9/15

58.75/59.83

27.30/26.71

6 weeks

  1. C control group, BMI body mass index, NA not applicable
  2. aT experimental group