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English translation and validation of the Zurich chronic middle ear inventory (ZCMEI-21-E) assessing quality of life in chronic otitis media: A prospective international multicentre study


Chatzimichalis, Michail; Epprecht, Lorenz; Weder, Stefan; Shaul, Chanan; Engle Folchert, Kristi J; Machala, Maria C; Goosmann, Madeline M; Naville, Marc; Zhu, Angela; Röösli, Christof; Lee, Daniel J; Cass, Stephen P; Briggs, Robert; Huber, Alexander M; Bächinger, David (2019). English translation and validation of the Zurich chronic middle ear inventory (ZCMEI-21-E) assessing quality of life in chronic otitis media: A prospective international multicentre study. Clinical Otolaryngology, 44(3):254-262.

Abstract

Objectives
To translate and validate the Zurich Chronic Middle Ear Inventory (ZCMEI‐21) for the English language in order to provide an English instrument to assess health‐related quality of life in chronic otitis media (COM).
Design
Pilot translation study including cognitive debriefings, prospective multicentre cross‐sectional psychometric validation study.
Setting
Four tertiary referral centres in three different English‐speaking countries (UK, USA and Australia).
Participants
Adult patients suffering from COM.
Main outcome measures
The English translation of the ZCMEI‐21 (ZCMEI‐21‐E) and the five‐level version of the EQ‐5D questionnaire. The EQ‐5D, which constitutes a generic measure of health‐related quality of life, consists of a descriptive system score and a visual analogue scale. Statistical outcomes included single‐item descriptive statistics, internal consistency (Cronbach's α) as an indicator of reliability, as well as construct validity.
Results
A total of 124 patients suffering from COM were included. The mean age was 50.1 years (SD 16.9 years), and 72 (58.1%) were males. The Cronbach's α of the ZCMEI‐21‐E was 0.91, suggesting an excellent internal consistency. The Spearman's correlation coefficient of the ZCMEI‐21‐E total score was 0.55 (P < 0.0001) for convergent construct validity with EQ‐5D descriptive system score and 0.57 (P < 0.0001) with the EQ‐5D visual analogue scale.
Conclusions
The ZCMEI‐21‐E is a new validated questionnaire that provides clinicians with a short, comprehensive and reliable instrument to quantify health‐related quality of life in patients suffering from COM. The ZCMEI‐21‐E may be of use in clinical routine as well as in outcome research and monitoring.

Abstract

Objectives
To translate and validate the Zurich Chronic Middle Ear Inventory (ZCMEI‐21) for the English language in order to provide an English instrument to assess health‐related quality of life in chronic otitis media (COM).
Design
Pilot translation study including cognitive debriefings, prospective multicentre cross‐sectional psychometric validation study.
Setting
Four tertiary referral centres in three different English‐speaking countries (UK, USA and Australia).
Participants
Adult patients suffering from COM.
Main outcome measures
The English translation of the ZCMEI‐21 (ZCMEI‐21‐E) and the five‐level version of the EQ‐5D questionnaire. The EQ‐5D, which constitutes a generic measure of health‐related quality of life, consists of a descriptive system score and a visual analogue scale. Statistical outcomes included single‐item descriptive statistics, internal consistency (Cronbach's α) as an indicator of reliability, as well as construct validity.
Results
A total of 124 patients suffering from COM were included. The mean age was 50.1 years (SD 16.9 years), and 72 (58.1%) were males. The Cronbach's α of the ZCMEI‐21‐E was 0.91, suggesting an excellent internal consistency. The Spearman's correlation coefficient of the ZCMEI‐21‐E total score was 0.55 (P < 0.0001) for convergent construct validity with EQ‐5D descriptive system score and 0.57 (P < 0.0001) with the EQ‐5D visual analogue scale.
Conclusions
The ZCMEI‐21‐E is a new validated questionnaire that provides clinicians with a short, comprehensive and reliable instrument to quantify health‐related quality of life in patients suffering from COM. The ZCMEI‐21‐E may be of use in clinical routine as well as in outcome research and monitoring.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Otorhinolaryngology
Dewey Decimal Classification:610 Medicine & health
Scopus Subject Areas:Health Sciences > Otorhinolaryngology
Uncontrolled Keywords:Otorhinolaryngology
Language:English
Date:1 May 2019
Deposited On:17 May 2019 10:30
Last Modified:29 Jul 2020 10:43
Publisher:Wiley-Blackwell Publishing, Inc.
ISSN:1749-4478
OA Status:Closed
Publisher DOI:https://doi.org/10.1111/coa.13275
PubMed ID:30588758

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