Reliability of the patient and observer scar assessment scale in evaluating linear scars after thyroidectomy
- Authors
- Chung, Jae Ho; Kwon, Sang Ho; Kim, Ki Jae; Lee, Jae Min; Yoon, Jeong Min; Cheon, Jeong Hyun; Yoon, Eul Sik; Park, Seung Ha
- Issue Date
- Jun-2021
- Publisher
- Lippincott Williams & Wilkins Ltd.
- Keywords
- POSAS; reliability; scar assessment; scar evaluation; surgical scars; thyroidectomy; validity; VAS
- Citation
- Advances in Skin and Wound Care, v.34, no.6, pp 1 - 6
- Pages
- 6
- Indexed
- SCIE
SSCI
SCOPUS
- Journal Title
- Advances in Skin and Wound Care
- Volume
- 34
- Number
- 6
- Start Page
- 1
- End Page
- 6
- URI
- https://scholarworks.korea.ac.kr/kumedicine/handle/2020.sw.kumedicine/53881
- DOI
- 10.1097/01.ASW.0000744344.46898.6e
- ISSN
- 1527-7941
1538-8654
- Abstract
- Objective
To compare the reliability of the Patient and Observer Scar Assessment Scale (POSAS) with the Vancouver Scar Scale (VSS) in evaluating thyroidectomy scars.
Methods
At 6 months after the operation, 112 patients who underwent thyroid surgery via collar neck incision were evaluated by two blinded plastic surgeons and two senior residents using the VSS and the observer component of the POSAS. In addition, the observer-reported VAS score and patient-reported Likert score were evaluated. Internal consistency, interobserver reliability, and correlations between the patient- and observer-reported outcomes were examined.
Results
The observer component of POSAS scores demonstrated higher internal consistency and interobserver reliability than the VSS. However, the correlations between the observer-reported VAS score and the patient-reported Likert score (0.450) and between the total sum of patient and observer component scores (0.551) were low to moderate.
Conclusions
The POSAS is more consistent over repeated measurements; accordingly, it may be considered a more objective and reliable scar assessment tool than the VSS. However, a clinician’s perspective may not exactly match the patient’s perception of the same scar.
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- Appears in
Collections - 2. Clinical Science > Department of Plastic and Reconstructive Surgery > 1. Journal Articles
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