Validation of the Brazilian Portuguese version of the cat-PROM5 questionnaire

JFO Open Ophthalmology Pub Date : 2025-01-16 DOI:10.1016/j.jfop.2025.100155

Adriano Cypriano Faneli , Ricardo Danilo Chagas Oliveira , Eduardo F. Marback , Murilo Barreto Souza , Patricia F. Marback , Larrie Laporte , Cristina Muccioli

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Abstract

Objectives

Cataract surgery is the most common and effective treatment for cataract-related visual impairment, yet traditional measures of visual acuity do not fully capture patient-reported improvement in visual function. The Cat-PROM5, a five-item tool, was developed to assess cataract-related visual disability and its impact on quality of life, with validation in other languages but not in Brazilian Portuguese. This study aimed to validate the Brazilian Portuguese version of the Cat-PROM5.

Methods

A cross-sectional study was conducted with 144 patients undergoing cataract surgery at a tertiary hospital in Brazil. Participants completed the Cat-PROM5 preoperatively and postoperatively to assess changes in visual function. Validation included translation and cultural adaptation following International Society for Pharmacoeconomics and Outcomes Research guidelines and Rasch analysis to evaluate psychometric properties.

Main results

The Brazilian Portuguese Cat-PROM5 demonstrated satisfactory fit in Rasch modeling [χ² (5) = 4.757, p = 0.446] and reliability (Reliability = 0.813, ⍺ = 0.825, ω = 0.859). Test-retest reliability was high (r = 0.868), and correlations with Catquest-9SF and best-corrected visual acuity changes were significant. Threshold issues were observed in certain items, but unidimensionality and internal consistency were maintained.

Conclusions

The Brazilian Portuguese Cat-PROM5 is a valid, reliable, and concise tool for assessing visual disability in cataract surgery patients, enabling efficient clinical assessment with high patient response rates. Its strong psychometric properties support its use in clinical and research settings for Brazilian cataract surgery patients.

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验证巴西葡萄牙语版本的cat-PROM5问卷

目的白内障手术是白内障相关视力障碍最常见和最有效的治疗方法，然而传统的视力测量方法并不能完全反映患者视力功能的改善。Cat-PROM5是一个包含五个项目的工具，用于评估与白内障相关的视力障碍及其对生活质量的影响，在其他语言中有效，但在巴西葡萄牙语中无效。本研究旨在验证巴西葡萄牙语版本的Cat-PROM5。方法对巴西某三级医院144例白内障手术患者进行横断面研究。参与者在术前和术后完成Cat-PROM5测试，以评估视觉功能的变化。验证包括翻译和文化适应，遵循国际药物经济学和结果研究协会指南和Rasch分析来评估心理测量特性。主要结果巴西葡萄牙猫- prom5在Rasch模型中具有良好的拟合性[χ²(5)= 4.757,p = 0.446]和信度（信度= 0.813,0.825,ω = 0.859）。重测信度高（r = 0.868），与Catquest-9SF、最佳矫正视力变化相关性显著。在某些项目中观察到阈值问题，但保持了单维性和内部一致性。结论巴西葡萄牙Cat-PROM5是一种有效、可靠、简洁的评估白内障手术患者视力障碍的工具，临床评估效率高，患者反应率高。其强大的心理测量特性支持其在巴西白内障手术患者的临床和研究环境中使用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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JFO Open Ophthalmology

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