Emergency Hospital of Sergipe (Hospital de Urgências de Sergipe), Aracaju, Sergipe, Brazil.
Health Sciences Graduate Program, Federal University of Sergipe (Universidade Federal de Sergipe), Aracaju, Sergipe, Brazil.
Support Care Cancer. 2023 Sep 23;31(10):590. doi: 10.1007/s00520-023-08051-4.
This study aimed to translate the Skin Cancer Index (SCI) into Portuguese, adapt it for Brazilian culture, and clinically validate it.
A five-stage cross-cultural adaptation model was followed, with subsequent clinical validation. Inter-rater agreement was assessed using the content validity index (CVI). The hypothesis of the non-inferiority of the CVI at 80% probability level was evaluated using an exact binomial test. We used Spearman's rank-order and Pearson's product-moment correlation analysis, internal consistency using McDonald's ω and Cronbach's α metric, and construct validity using confirmatory factor analysis. The factorial model was validated using the chi-squared test, root mean square error of approximation (RMSEA), comparative fit index (CFI), and standardized root mean square residual (SRMR).
The first stage yielded two independent translations. After synthesis, back-translation, and review, the prefinal version was tested on 40 patients. Inter-rater agreement indices on content validity were significantly higher than 80% (p < 0.05). The SCI remained stable, and the Spearman's rank-order (r), Pearson product-moment (r), and intraclass correlation coefficients were > 0.9, indicating excellent reliability. The reliability of McDonald's ω was considered ideal (> 0.8) in all subdimensions and scale. Cronbach's α was considered ideal in the "Emotional" and "Social" subdimensions and scale. Construct validity was observed in all subdimensions and scale through the criteria (χ) p value > 0.05, RMSEA < 0.08, CFI ≥ 0.9, and SRMR ≤ 0.08.
The cross-cultural adaptation of the SCI to Portuguese for Brazilian culture showed content validity and reliability, contributing to quality of life assessment in patients with NMSC.
本研究旨在将皮肤癌指数（SCI）译为葡萄牙语，并对其进行巴西文化调适，随后对其进行临床验证。
采用跨文化调适五阶段模型，随后进行临床验证。使用内容有效性指数（CVI）评估组内一致性。使用确切二项式检验评估 80%概率水平非劣效性假设。我们使用 Spearman 等级相关和 Pearson 积矩相关分析、McDonald's ω 和 Cronbach's α 度量的内部一致性以及验证性因子分析的结构有效性。使用卡方检验、近似均方根误差（RMSEA）、比较拟合指数（CFI）和标准化均方根残差（SRMR）验证因子模型。
第一阶段产生了两个独立的翻译。综合、回译并审核后，预最终版本在 40 名患者中进行了测试。内容有效性的组内一致性指数显著高于 80%（p<0.05）。SCI 保持稳定，Spearman 等级相关（r）、Pearson 积矩相关（r）和组内相关系数均>0.9，表明可靠性极佳。McDonald's ω 在所有子维度和量表中的可靠性均被认为是理想的（>0.8）。Cronbach's α 在“情绪”和“社会”子维度和量表中被认为是理想的。在所有子维度和量表中，通过标准（χ）p 值>0.05、RMSEA<0.08、CFI≥0.9 和 SRMR≤0.08 观察到结构有效性。
SCI 经跨文化调适适用于巴西文化的葡萄牙语，具有内容有效性和可靠性，有助于评估非黑色素瘤皮肤癌患者的生活质量。
