Table 3 The effect of relative factors on the functional outcomes (n = 46)
From: Functional analysis of distraction arthroplasty in the treatment of ankle osteoarthritis
Relative factor | Cases of study/control | Improvement of AOFAS score | P value | |
|---|---|---|---|---|
Study | Control | |||
TT ≥ 5° | 13/33 | 4.8 ± 11.1 | 12.0 ± 8.2 | 0.02 |
BMI ≥ 24 kg/m2 | 27/19 | 8.4 ± 9.7 | 13.2 ± 9.5 | 0.10 |
BMI ≥ 28 kg/m2 | 3/43 | −2.7 ± 4.0 | 11.3 ± 8.9 | 0.01 |
Age ≥ 55 years | 19/27 | 7.8 ± 11.7 | 12.1 ± 7.1 | 0.13 |
Female | 31/15 | 9.9 ± 10.0 | 11.2 ± 7.8 | 0.66 |
Left | 22/24 | 10.5 ± 9.3 | 10.2 ± 9.5 | 0.91 |
van Dijk stage III | 19/27 | 8.4 ± 9.7 | 11.8 ± 8.8 | 0.22 |
TOA | 26/20 | 9.6 ± 10.0 | 11.5 ± 8.3 | 0.50 |
Pin infection | 14/32 | 8.3 ± 10.6 | 11.3 ± 8.7 | 0.32 |