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Table 3 Functional outcomes and radiological parameters between the two groups at the last follow-up time

From: Fibular osteotomy is helpful for talar reduction in the treatment of varus ankle osteoarthritis with supramalleolar osteotomy

 

SMOT (n = 39)

SMOT with FO (n = 24)

P value

Functional outcomes

AOFAS, point

79.1 ± 12.4

83.2 ± 10.3

0.180

AOS pain, point

2.9 ± 1.1

2.6 ± 0.9

0.266

AOS function, point

3.0 ± 1.3

2.9 ± 1.2

0.761

ROM of ankle, degree

36.5 ± 4.7

39.3 ± 7.4

0.071

Takakura stage 1/2/3a/3b/4

26/9/2/2/0

19/3/1/1/0

0.740

Failure rate

17.9% (7/39)

4.2% (1/24)

0.141

Radiological parameters

TAS

89.0 ± 3.3

89.9 ± 2.8

0.271

TT

2.6 ± 1.4

1.9 ± 0.9

0.033

TMM

26.5 ± 3.6

28.1 ± 5.5

0.167

TC

76.9 ± 4.5

78.6 ± 4.1

0.137

TLS

79.7 ± 2.9

80.9 ± 1.8

0.074

HFAa

4.1 ± 2.0

2.9 ± 1.4

0.043

TFCS

4.2 ± 1.1

3.3 ± 0.8

0.001

MDT

3.1 ± 1.6

1.9 ± 1.7

0.006

  1. SMOT, Supramalleolar osteotomy; FO, fibular osteotomy; AOFAS, the American Orthopaedic Foot and Ankle Society ankle-hindfoot score; AOS, Ankle Osteoarthritis Scale; ROM, range of motion; TAS, tibial articular surface angle; TT, talar tilt angle; TMM, tibial medial malleolar angle; TC, tibiocrural angle; TLS, tibial lateral surface angle; HFA, hindfoot alignment angle; TFCS, tibiofibular clear space; MDT, medial displacement of talus
  2. aThe case number in SMOT group was 21, and in SMOT with FO group was 17
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X