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Systematic Review

Do Patient-Reported Quality-of-Life (QoL) Scales Provide an Adequate Assessment of Patients with Cryptoglandular Anal Fistulae? A Systematic Review of Measurement Instruments and Their Content Validity

Robin Phillips’ Fistula Research Unit, St Mark’s Hospital, London HA1 3UJ, UK
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Author to whom correspondence should be addressed.
Academic Editor: Vipul D. Yagnik
Clin. Pract. 2022, 12(4), 628-639; https://doi.org/10.3390/clinpract12040066
Received: 20 June 2022 / Revised: 1 August 2022 / Accepted: 10 August 2022 / Published: 15 August 2022
Background: Cryptoglandular anal fistulae can significantly affect patient quality of life (QoL), making it essential to ensure that any study of fistula treatment assesses the impact on QoL. The aim of this systematic review was to evaluate the content validity of Patient-Reported Outcome Measures (PROMs) that assess QoL in patients with a fistula. Methods: MEDLINE, EMBASE, PsycINFO, and Scopus were searched and studies assessing the content validity of patient-reported QoL measurement instruments, or PROM development studies in patients with cryptoglandular anal fistulae, were included. Data were extracted from eligible studies to determine the instruments’ relevance, comprehensiveness, and comprehensibility, and their quality was assessed according to COnsensus-based Standards for the Selection of health Measurement Instruments (COSMIN). Results: Two PROM development studies were identified, both of which described the development of a disease-specific QoL measurement instrument for patients with cryptoglandular anal fistulae. The overall content validity of these instruments was inconsistent and supported by very low-quality evidence. There were no studies assessing the content validity of established QoL measurement instruments in patients with fistulae. Conclusions: This systematic review could not establish the content validity of the available QoL PROMs for patients with anal fistulae, due either to the absence of designated content validity studies or a lack of comprehensiveness of the available PROMs. This highlights an important gap in the literature that needs to be addressed to ensure high-quality outcome assessment in patients with fistulae. View Full-Text
Keywords: quality of life; QoL; outcome measures; anal fistula; COSMIN; patient-reported outcome measures; PROMs quality of life; QoL; outcome measures; anal fistula; COSMIN; patient-reported outcome measures; PROMs
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MDPI and ACS Style

Iqbal, N.; Shah, R.; Alrubaiy, L.; Tozer, P. Do Patient-Reported Quality-of-Life (QoL) Scales Provide an Adequate Assessment of Patients with Cryptoglandular Anal Fistulae? A Systematic Review of Measurement Instruments and Their Content Validity. Clin. Pract. 2022, 12, 628-639. https://doi.org/10.3390/clinpract12040066

AMA Style

Iqbal N, Shah R, Alrubaiy L, Tozer P. Do Patient-Reported Quality-of-Life (QoL) Scales Provide an Adequate Assessment of Patients with Cryptoglandular Anal Fistulae? A Systematic Review of Measurement Instruments and Their Content Validity. Clinics and Practice. 2022; 12(4):628-639. https://doi.org/10.3390/clinpract12040066

Chicago/Turabian Style

Iqbal, Nusrat, Rishi Shah, Laith Alrubaiy, and Phil Tozer. 2022. "Do Patient-Reported Quality-of-Life (QoL) Scales Provide an Adequate Assessment of Patients with Cryptoglandular Anal Fistulae? A Systematic Review of Measurement Instruments and Their Content Validity" Clinics and Practice 12, no. 4: 628-639. https://doi.org/10.3390/clinpract12040066

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