Anonymized questionnaire survey for the evaluation of reliability and validity of the German version of the European Foot and Ankle Society Score (EFAS)

Anonymized questionnaire survey for the evaluation of reliability and validity of the German version of the European Foot and Ankle Society Score (EFAS) - ReVaEFAS

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00027494

Enrollment

150

Registered

2021-12-27

Start date

2021-07-11

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

All patients of the foot consultation with a wide range of diagnoses (e.g.: hallux valgus, osteoarthritis, peritendinitis, bursitis, pseudarthrosis, etc.).

Interventions

Group 1: Single-arm observational study of patients with foot or ankle complaints. Patients are consecutively recruited in the foot consultation of the hospital. Patients complete an anonymized self-

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: (1) Foot surgery consultation patients, (2) Age over 18 years

Exclusion criteria

Exclusion criteria: No defined exclusion criteria

Design outcomes

Primary

Measure	Time frame
Convergent construct validity: Correlation of the EFAS score with two established foot questionnaires ([1] Manchester-Oxford Foot Questionnaire (MOXFQ) and [2] Foot and Ankle Outcome Score (FAOS)).	—

Secondary

Measure	Time frame
Reliability (Chronbach’s alpha) of the EFAS Score	—

Countries

Germany

Contacts

Public ContactAndré Strahl

Universitätsklinikum Hamburg-Eppendorf, Klinik für Unfallchirurgie und Othopädie, Fachbereich Orthopädie

a.strahl@uke.de040 / 7410 52670

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026