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Table 3 A comparison of magnesium and titanium patient groups pre-surgery (Pre), post-surgery (Post), and the changes between pre- and post-surgery (Post-pre) for each dimension and index for the Manchester-Oxford Foot Questionnaire (MOXFQ), the Foot and Ankle Outcome Index (FAOI) and quality of life (EQ-5D-3 L)

From: Hallux valgus correction utilising a modified short scarf osteotomy with a magnesium biodegradable or titanium compression screws – a comparative study of clinical outcomes

Score / domain

Comparison

Med diff pre – post

P

MOXFQ

 Walking/standing

Pre

−14.29 (− 25.00 – − 3.57)

0.008

Post

0.00 (−3.57–3.57)

0.874

Post-pre

14.28 (7.14–21.43)

0.001

 Foot pain

Pre

−10.00 (−20.00 – − 5.00)

0.015

Post

-5.00 (−15.00–0.00)

0.088

Post-pre

5.00 (0.00–10.00)

0.114

 Social interaction

Pre

−6.25 (−18.75–6.25)

0.283

Post

0.00 (0.00–0.00)

0.416

Post-pre

6.25 (0.00–18.75)

0.068

 Index

Pre

−11.13 (− 19.76 – −0.77)

0.036

Post

−0.48 (−6.19–2.38)

0.653

Post-pre

8.63 (3.15–14.17)

0.008

FAOI

 Core scale

Pre

2.42 (−1.75 – −6.17)

0.229

Post

−1.75 (−3.25–0.50)

0.099

Post-pre

−3.42 (−6.67 – −0.08)

0.036

 Core scale normative

Pre

1.96 (−1.42–5.00)

0.229

Post

−1.42 (−2.64–0.41)

0.099

Post-pre

−2.77 (−5.41 – −0.07)

0.038

 Shoe comfort scale

Pre

0.00 (−15.00–10.00)

0.943

Post

0.00 (−10.00–10.00)

0.939

Post-pre

0.00 (−10.00–25.00)

0.931

 Shoe normative

Pre

0.00 (−5.08–3.39)

0.943

Post

0.00 (−3.39–3.39)

0.939

Post-pre

0.00 (−3.39–8.47)

0.904

EQ-5D-3 L

 Index

Pre

0.052 (0.00–0.20)

0.233

Post

0.00 (0.00–0.00)

0.252

Post-pre

−0.16 (−0.20–0.00)

0.079

 VAS

Pre

3.00 (−7.00–11.00)

0.667

Post

0.00 (−5.00–10.00)

0.931

Post-pre

0.00 (−5.00–6.00)

0.877

  1. Med diff: difference of medians plus 95% Hodges-Lehmann confidence interval; p p-value from Wilcoxon test for independent samples