Article

Previously validated for hallux valgus surgery, the Manchester-Oxford Foot
Questionnaire (MOXFQ) is here evaluated for use with different regions of the
foot and ankle. The study recruited 671 consecutive patients (87.8% of those
eligible), mean age 52.8years, 64% female, who completed the MOXFQ and SF-36
general health survey before foot or ankle surgery. Surgeons completed the
American Orthopaedic Foot & Ankle Society (AOFAS) scales and indicated that the
patients' main regions for surgery were: Hallux 210 (31.3%), Lesser toes 119
(17.7%), Mid foot 22 (3.3%), Ankle/hind foot 311 (46.3%), Multiple/whole foot 9
(1.3%). Individual MOXFQ items were assessed in terms of response rate and
floor/ceiling effects, with the validity of the three MOXFQ scales
(Walking/standing, Pain, and Social interaction) being assessed in terms of
item-total correlations, internal and test-retest reliability, and construct
validity. MOXFQ item response rates were high (all >98%). Cronbach's alphas of
>0.7 confirmed internal consistency of all three scales. Test-retest ICCs were
all >/=0.89. Correlations of >0.4 obtained with related SF-36 and AOFAS scales
supported a priori hypotheses. Good measurement properties are confirmed for the
MOXFQ in the context of baseline assessment of patients receiving surgery for a
variety of foot or ankle problems.
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