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Table 1 Features of included studies

From: Does new instrument for Oxford unicompartmental knee arthroplasty improve short-term clinical outcome and component alignment? A meta-analysis

Article

Data source

Sample size

Gender (M/F)

Age (year)

BMI(kg/m2)

Follow-up period

Study design

MP

CI

MP

CI

MP

CI

MP

CI

MP

CI

Mohammad et al. [9]

NJR

7953

7953

4341/3612

4330/3623

64.5 ± 9.4

64.6 ± 9.5

30.6 ± 5.1

30.1 ± 4.9

2.3 ± 1.3

3.3 ± 1.8

Case control

Malhotra et al. [13]

India

100

50

28/72

9/41

58.3 ± 8.2

59.8 ± 8.4

28.7 ± 3.1

29.3 ± 2.8

1.5 ± 0.4

3.8 ± 1.4

Case control

Jang et al. [12]

Korea

77

77

10/67

3/74

65.8 ± 7.9

66.1 ± 7.6

25.6 ± 3.0

25.6 ± 2.8

1.8

6.2

Case control

Tu et al. [11]

China

56

52

21/35

19/33

67.1

66.8

30.1

29.8

2.1

Prospective randomized

Koh et al. [8]

Korea

41

41

6/35

8/33

60.3 ± 5.9

59.6 ± 8.1

26.2 ± 3.2

25.8 ± 3.9

2.8

Case control

Walker et al. [10]

Germany

100

100

54/46

45/55

63.1

63.3

30.4

30.3

NA

Case control

Hurst et al. [19]

NJR

186

219

84/87

83/105

64.1

63.0

32.6

31.9

NA

Retrospective cohort