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Table 2 Outcomes and complications in identified studies

From: Does arthroscopic repair show superiority over open repair of lateral ankle ligament for chronic lateral ankle instability: a systematic review and meta-analysis

Study

Group

AOFAS

Karlsson

VAS

JSSF

Anterior drawer test

(mm)

Talar tilt angle

(°)

Complication rate

Revision rate

Yeo et al.

AS

90.3

76.2

1.7

NR

− 1.7(8.4 to 6.7)

− 3.4(7.3 to 3.9)

20%(3:nerve injury, 2:knot pain)

NR

 

open

89.2

73.5

2

NR

− 1(7.8 to 6.8)

− 1.6(5.4 to 3.8)

13%(2:nerve injury, 1:infection)

NR

Matsui et al.

AS

NR

NR

1.2

98

− 5.6(8.4 to 2.8)

− 6.8(10 to 3.2)

10.5%(2:nerve injury)

0%

 

open

NR

NR

1.9

95.4

− 6.2(9.1 to 2.9)

− 7(9.9 to 2.9)

22.2%(3:wound irritation, 1:nerve injury)

0%

Li et al.

AS

93.3

90.3

NR

NR

NR

NR

4.3%(1:persistent pain)

0%

 

open

92.4

89.4

NR

NR

NR

NR

5.4%(2:persistent pain)

0%

Rigby et al.

AS

95.33

91.8

1.5

NR

NR

NR

6.7%(1:nerve injury, 1:DVT)

NR

 

open

93.53

93.41

1.2

NR

NR

NR

6.3%(2:nerve injury)

NR

DeVries et al.

AS

NR

NR

NR

NR

NR

NR

14%(5:revision, 1:infection)

11.6%

 

open

NR

NR

NR

NR

NR

NR

16.7%(1:tendinitis, 1:infection)

0%

Yi et al.

AS

93.4

89.3

NR

97.2

− 5.4(8.6 to 3.2)

− 5.5(8.8 to 3.3)

8.6%(2:nerve injury, 1:knot pain)

0%

 

open

91.8

88.9

NR

95.6

− 5.6(8.9 to 3.3)

− 6.4(9.5 to 3.1)

13.3%(2:nerve injury, 2:knot pain)

0%

Zeng et al.

AS

92.4

89.2

NR

NR

− 2.8(12.9 to 10.1)

− 2.4(11.2 to 8.8)

11.8%(1:nerve injury, 1:poor healing)

NR

 

open

91.1

90.5

NR

NR

− 3.3(13.6 to 10.3)

− 2.7(10.4 to 7.7)

30%(1:knot pain, 2:poor healing)

NR

Xu et al.

AS

87.7

NR

1.8

NR

NR

NR

15.6%(3:nerve injury, 2:knot pain)

NR

 

open

86.9

NR

2.1

NR

NR

NR

11.4%(2:nerve injury, 2:infection)

NR

Woo et al.

AS

94.2

NR

1.2

NR

NR

NR

0.0%

0%

 

open

70.9

NR

2.1

NR

NR

NR

0.0%

0%

  1. Abbreviations: AOFAS American Orthopaedic Foot and Ankle Society, VAS visual analog scale; JSSF Japanese Society for Surgery of the foot ankle-hindfoot, AS arthroscopic, NR not reported, DVT deep venous thrombosis