Objective: To determine the validity of the Cebuano version of a PD screening questionnaire

Background: In the Philippines, actual prevalence of Parkinson’s Disease (PD) is not yet determined. Although cases can be extrapolated from medical registries, this method may undermine actual case rates. Community cases are missed for lack of data collection instruments. Therefore, a reliable screening tool for PD is essential in the timely diagnosis and epidemiological studies. The most widely used screening questionnaire for PD diagnosis was developed by Tanner et al. Although this questionnaire has been translated to several languages, translated version must be validated for use in our local setting.

Method: To achieve a power of 80%, 75 PD patients and 244 controls were enrolled [table2]. The questionnaire consisted of nine questions about the motor symptoms of PD. The questionnaire was translated from English to Cebuano by a hired language specialist. It was subsequently administered to both PD and controls. Each item was supplied with a “yes”, “no” or “don’t know” answer [table1].

Results: The overall Cronbach’s alpha for internal consistency of the questionnaire was 0.9410 [table3]. The item on “tremor” had the highest sensitivity (97.26%), while the item on “problems with buttoning” had the highest specificity (100.00%) [table4]. A cut-off score of >3 obtained the best Youden’s index (99.18%) with a sensitivity of 100.00% and a specificity of 99.18% [table5]. The questionnaire had an almost perfect predicting ability to diagnose PD (AUC of 0.9994) [figure1].

Conclusion: The translated version of the Tanner questionnaire is a validated instrument to identify PD in a literate Cebuano population.

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MDS Abstracts - https://www.mdsabstracts.org/abstract/cross-cultural-validation-of-the-cebuano-version-of-a-screening-questionnaire-for-parkinsons-disease/