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Table 2 The gap difference between flexion and extension before and after PMVC

From: Large flexion contracture angle predicts tight extension gap during navigational posterior stabilized-type total knee arthroplasty with the pre-cut technique: a retrospective study

 

Group T

(n = 19 patients)

Group E

(n = 84 patients)

P value

EG

3.9 ± 2.1

7.4 ± 1.7

<  0.001*

FG

7.6 ± 1.5

7.6 ± 1.9

n.s.

FG – EG

3.7 ± 1.7

0.2 ± 0.4

<  0.001*

EG following PMVC

7.6 ± 1.6

  

FG following PMVC

8.1 ± 1.5

  

FG – EG following PMVC

0.4 ± 0.6

  

Additional cut (4 mm/3 mm)

12 / 7

18 / 66

n.s.a

  1. Data are displayed as means ± standard deviation. Statistical differences were analyzed using the Mann–Whitney U test, except for Fisher’s exact tests (a). EG extension gap, FG flexion gap, PMVC posteromedial vertical capsulotomy, n.s not significant; (*) statistically significant (P < 0.05).
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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