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Development and validation of a patient-reported outcome measure in vitiligo : the Self Assessment Vitiligo Extent Score (SA-VES)

Nanja van Geel UGent, Janny E Lommerts, Marcel W Bekkenk, Cecilia AC Prinsen, Viktoria Eleftheriadou, Alain Taieb, Mauro Picardo, Khaled Ezzedine, Albert Wolkerstorfer and Reinhart Speeckaert UGent (2017) JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY. 76(3). p.464-471
abstract
Background: The Vitiligo Extent Score (VES) has recently been introduced as a physicians' score for the clinical assessment of the extent of vitiligo, but a good patient self-assessment score is lacking. Objective: The objective is to develop and validate a simplified version of the VES as a patient-reported outcome measure (PROM). Methods: After extensive pilot testing, patients were asked to score their vitiligo extent twice with an interval of 2 weeks using the Self Assessment Vitiligo Extent Score (SA-VES). The scores were compared with the physicians' evaluation (VES). Results: The SA-VES demonstrated very good test-retest reliability (intraclass correlation = 0.948, 95% confidence interval [CI]: 0.911-0.970) that was not affected by age, skin type, or vitiligo distribution pattern. According to patients, this evaluation method was easy to use (22% very easy; 49% easy; 29% normal) and required <5 minutes in the majority of patients (73%,<5 minutes; 24%, 5-10 minutes; 2%, 10-15 minutes). Comparison of the SA-VES and the VES demonstrated excellent correlation (r = 0.986, P < . 001). Limitations: Few patients had a dark skin type. Conclusion: The results demonstrate excellent reliability of the SA-VES and excellent correlation with its investigator-reported counterpart (VES). This patient-oriented evaluation method provides a useful tool for the assessment of vitiligo extent.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
body surface area, outcome measurement, patient-reported outcomes, severity, vitiligo, RELIABILITY, QUALITY, COSMIN, TOOL
journal title
JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY
J. Am. Acad. Dermatol.
volume
76
issue
3
pages
464 - 471
Web of Science type
Article
Web of Science id
000399214700019
ISSN
0190-9622
DOI
10.1016/j.jaad.2016.09.034
language
English
UGent publication?
yes
classification
A1
additional info
the first two authors contributed equally
copyright statement
I have transferred the copyright for this publication to the publisher
id
8511365
handle
http://hdl.handle.net/1854/LU-8511365
date created
2017-02-27 09:06:44
date last changed
2017-05-17 14:34:59
@article{8511365,
  abstract     = {Background: The Vitiligo Extent Score (VES) has recently been introduced as a physicians' score for the clinical assessment of the extent of vitiligo, but a good patient self-assessment score is lacking. 
Objective: The objective is to develop and validate a simplified version of the VES as a patient-reported outcome measure (PROM). 
Methods: After extensive pilot testing, patients were asked to score their vitiligo extent twice with an interval of 2 weeks using the Self Assessment Vitiligo Extent Score (SA-VES). The scores were compared with the physicians' evaluation (VES). 
Results: The SA-VES demonstrated very good test-retest reliability (intraclass correlation = 0.948, 95\% confidence interval [CI]: 0.911-0.970) that was not affected by age, skin type, or vitiligo distribution pattern. According to patients, this evaluation method was easy to use (22\% very easy; 49\% easy; 29\% normal) and required {\textlangle}5 minutes in the majority of patients (73\%,{\textlangle}5 minutes; 24\%, 5-10 minutes; 2\%, 10-15 minutes). Comparison of the SA-VES and the VES demonstrated excellent correlation (r = 0.986, P {\textlangle} . 001). 
Limitations: Few patients had a dark skin type. 
Conclusion: The results demonstrate excellent reliability of the SA-VES and excellent correlation with its investigator-reported counterpart (VES). This patient-oriented evaluation method provides a useful tool for the assessment of vitiligo extent.},
  author       = {van Geel, Nanja and Lommerts, Janny E and Bekkenk, Marcel W and Prinsen, Cecilia AC and Eleftheriadou, Viktoria and Taieb, Alain and Picardo, Mauro and Ezzedine, Khaled and Wolkerstorfer, Albert and Speeckaert, Reinhart},
  issn         = {0190-9622},
  journal      = {JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY},
  keyword      = {body surface area,outcome measurement,patient-reported outcomes,severity,vitiligo,RELIABILITY,QUALITY,COSMIN,TOOL},
  language     = {eng},
  number       = {3},
  pages        = {464--471},
  title        = {Development and validation of a patient-reported outcome measure in vitiligo : the Self Assessment Vitiligo Extent Score (SA-VES)},
  url          = {http://dx.doi.org/10.1016/j.jaad.2016.09.034},
  volume       = {76},
  year         = {2017},
}

Chicago
van Geel, Nanja, Janny E Lommerts, Marcel W Bekkenk, Cecilia AC Prinsen, Viktoria Eleftheriadou, Alain Taieb, Mauro Picardo, Khaled Ezzedine, Albert Wolkerstorfer, and Reinhart Speeckaert. 2017. “Development and Validation of a Patient-reported Outcome Measure in Vitiligo : the Self Assessment Vitiligo Extent Score (SA-VES).” Journal of the American Academy of Dermatology 76 (3): 464–471.
APA
van Geel, N., Lommerts, J. E., Bekkenk, M. W., Prinsen, C. A., Eleftheriadou, V., Taieb, A., Picardo, M., et al. (2017). Development and validation of a patient-reported outcome measure in vitiligo : the Self Assessment Vitiligo Extent Score (SA-VES). JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY, 76(3), 464–471.
Vancouver
1.
van Geel N, Lommerts JE, Bekkenk MW, Prinsen CA, Eleftheriadou V, Taieb A, et al. Development and validation of a patient-reported outcome measure in vitiligo : the Self Assessment Vitiligo Extent Score (SA-VES). JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY. 2017;76(3):464–71.
MLA
van Geel, Nanja, Janny E Lommerts, Marcel W Bekkenk, et al. “Development and Validation of a Patient-reported Outcome Measure in Vitiligo : the Self Assessment Vitiligo Extent Score (SA-VES).” JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY 76.3 (2017): 464–471. Print.