Table 1 Study characteristics and participant demographics.

From: Fixed- versus mobile-bearing unicompartmental knee arthroplasty: a meta-analysis

Author

Type of study

Technique

Number of knees (patients)

Mean age (year)

BMI/weight (Kg)

Follow-up (year)

Level of evidence

Bhattacharya13

Retrospective

FB

91 (79)

67.7

NA

3.7

III

MB

49 (44)

68.8

5.6

Biau17

Retrospective

FB

67 (57)

66

28

3.25

III

MB

37 (33)

60

32

5.25

Bini14

Registry

FB

632

NA

NA

NA

II

MB

350

Catani8

Retrospective

FB

10 (10)

70.3 (7.6)

76.3 (14.4)

1.03 (0.6)

III

MB

10 (10)

70.3 (5.8)

75.4 (11.9)

3.84 (2.07)

Confalonieri9

RCT

FB

20 (20)

69.5

NA

5.7

I

MB

20 (20)

71

5.7

Emerson1

Retrospective

FB

51 (45)

63

84.4

6.1

III

MB

50 (43)

63

79.4

6.8

Emerson21

Retrospective

FB

42 (39)

NA

NA

NA

III

MB

27 (21)

Gleeson5

RCT

FB

57 (49)

66.7

83

4

I

MB

47 (43)

64.7

77.7

4

Inoue12

Retrospective

FB

24

75 (6.5)

23.7 (6.1)

38.2 months

III

MB

28

73.3 (7.5)

25.2 (3.4)

27.3 months

Li20

RCT

FB

28 (24)

70

26.5

2

I

MB

28 (24)

74

27.6

2

Lu19

Retrospective

FB

45 (45)

67.5 (9.5)

23.36 (3.53)/64.3 (14)

7–14 months

III

MB

45 (45)

65.5 (13.5)

22.88 (3.56)/64.8 (12.80)

7–14 months

Neufeld18

Retrospective

FB

68 (56)

64.6

29.7

10

III

MB

38 (33)

60.3

32.7

10

Ozcan11

Retrospective

FB

153

NA

NA

28.8 (9.7) months

III

MB

171

31 (11.3) months

Parratte10

Retrospective

FB

79 (75)

62.8 (9.2)

26 (4)

17.2 (4.8)

III

MB

77 (72)

63.4 (11)

27 (3)

17.2 (4.8)

Verdini15

Observationa

FB

8 (8)

67

28

20 months

III

MB

7 (7)

68

28

23 months

Tecame22

Retrospective

FB

15 (15)

48.4

NA

42 (6.7) months

III

MB

9 (9)

47.8

53 (8.3) months

Whittaker16

Retrospective

FB

150 (117)

68

28.7

8.1

III

MB

79 (62)

63

30.7

3.9

  1. BMI body mass index, FB fixed-bearing, MB mobile-bearing, RCT randomized controlled trial, y years, NA not applicable.
Back to article page