Development and Validation of the Oxford Skin Cancer Treatment Scale, a Patient-Reported Outcome Measure for Health-Related Quality of Life and Treatment Satisfaction After Skin Cancer Treatment.

IF 2.5 3区医学 Q2 DERMATOLOGY

Dermatologic Surgery Pub Date : 2024-11-01 Epub Date: 2024-07-12 DOI:10.1097/DSS.0000000000004305

Jonathan Kantor, Sumaira Z Aasi, Murad Alam, John Paoli, Désirée Ratner

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引用次数: 0

Abstract

Background: Patient-reported outcome measures (PROMs) are necessary to assess the value of skin cancer treatment and to better compare therapeutic options.

Objective: To develop and validate the Oxford Skin Cancer Treatment (OxSCanTr) scale, evaluating health-related quality of life and satisfaction after skin cancer treatment.

Materials and methods: After qualitative patient interviews, international expert consultation, and item reduction, 2 separate patient samples were used to assess the factor structure of the scale. Exploratory factor analysis with categorical variables and a polychoric correlation matrix followed by promax oblique rotation was performed to establish a factor structure on Group A. Confirmatory factor analysis with a Satorra-Bentler scaled test statistic evaluating the root mean squared error of approximation (RMSEA), standardized root mean squared residual (SRMR), and comparative fit index (CFI) was conducted on Group B. Reliability as internal consistency was assessed using McDonald omega. Convergent and discriminant validity were assessed using the Pearson correlation coefficient.

Results: A total of 480 subjects returned completed surveys (completion rate 96%). A 12-item scale was developed encompassing 4 domains: aesthetic satisfaction, treatment choice satisfaction, treatment experience, and future concerns regarding recurrence/spread. Confirmatory factor analysis showed excellent goodness-of-fit characteristics, with RMSEA = 0.048, SRMR = 0.051, and CFI = 0.962 using the 4-factor model. Reliability was very good (McDonald omega 0.81-0.82), as was convergent validity with the FACE-Q skin cancer module appraisal of scars subscale (r = 0.55). Discriminant validity with a single question regarding being conservative was similarly excellent (r = -0.02).

Conclusion: The OxSCanTr scale is a parsimonious, feasible, and valid PROM for the holistic assessment of the experience of patients who have undergone skin cancer treatment.

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牛津皮肤癌治疗量表的开发与验证--皮肤癌治疗后与健康相关的生活质量和治疗满意度的患者报告结果测量。

背景：为评估皮肤癌治疗的价值和更好地比较各种治疗方案，有必要采用患者报告的结果指标（PROM）：患者报告结果测量（PROMs）是评估皮肤癌治疗价值和更好地比较治疗方案所必需的：开发并验证牛津皮肤癌治疗量表（OxSCanTr），评估皮肤癌治疗后与健康相关的生活质量和满意度：在对患者进行定性访谈、国际专家咨询和项目缩减后，使用两个独立的患者样本来评估量表的因子结构。对 A 组进行了探索性因子分析，使用分类变量和多变量相关矩阵，然后进行 Promax 斜旋转，以确定因子结构。对 B 组进行了确认性因子分析，使用 Satorra-Bentler 标度测试统计量评估均方根近似误差（RMSEA）、标准化均方根残差（SRMR）和比较拟合指数（CFI）。使用 McDonald omega 评估了内部一致性的可靠性。用皮尔逊相关系数评估了收敛效度和区分效度：共有 480 名受试者交回了填写完整的调查问卷（完成率为 96%）。我们编制了一个 12 个项目的量表，包括 4 个方面：美学满意度、治疗选择满意度、治疗体验以及对未来复发/扩散的担忧。确认性因子分析显示出良好的拟合特性，4因子模型的RMSEA=0.048，SRMR=0.051，CFI=0.962。信度非常好（McDonald omega 0.81-0.82），与 FACE-Q 皮肤癌模块疤痕评估子量表的收敛效度也很好（r = 0.55）。与有关保守的单个问题的区分效度同样出色（r = -0.02）：OxSCanTr量表是一种简洁、可行且有效的PROM，可用于全面评估皮肤癌患者的治疗体验。

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来源期刊

Dermatologic Surgery 医学-皮肤病学

CiteScore

3.10

自引率

16.70%

发文量

547

期刊介绍： Exclusively devoted to dermatologic surgery, the Dermatologic Surgery journal publishes the most clinically comprehensive and up-to-date information in its field. This unique monthly journal provides today’s most expansive and in-depth coverage of cosmetic and reconstructive skin surgery and skin cancer through peer-reviewed original articles, extensive illustrations, case reports, ongoing features, literature reviews and correspondence. The journal provides information on the latest scientific information for all types of dermatologic surgery including: -Ambulatory phlebectomy- Blepharoplasty- Body contouring- Chemical peels- Cryosurgery- Curettage and desiccation- Dermabrasion- Excision and closure- Flap Surgery- Grafting- Hair restoration surgery- Injectable neuromodulators- Laser surgery- Liposuction- Microdermabrasion- Microlipoinjection- Micropigmentation- Mohs micrographic surgery- Nail surgery- Phlebology- Sclerotherapy- Skin cancer surgery- Skin resurfacing- Soft-tissue fillers. Dermatologists, dermatologic surgeons, plastic surgeons, oculoplastic surgeons and facial plastic surgeons consider this a must-read publication for anyone in the field.