2026-06-14T03:39:43Zhttps://repisalud.isciii.es/rest/oai/request

oai:repisalud.isciii.es:20.500.12105/110832025-05-30T11:12:39Zcom_20.500.12105_2052com_20.500.12105_2051col_20.500.12105_19608col_20.500.12105_19613

00925njm 22002777a 4500 dc Ambrosio, Leire author Rodriguez-Blazquez, Carmen author Ayala, Alba author Forjaz, Maria João author 2020-09-15 Background: Neurologists play an essential role in facilitating the patient's process of living with Parkinson's disease (PD). The Living with Chronic Illness Scale-PD (LW-CI-PD) is a unique available clinical tool that evaluates how the patient is living with PD. The objective of the study was to analyse the LW-CI-PD properties according to the Rasch model. Methods: An open, international, cross-sectional study was carried out in 324 patients with Parkinson's disease from four Latin American countries and Spain. Psychometric properties of the LW-CI-PD were tested using Rasch analysis: fit to the Rasch model, item local independency, unidimensionality, reliability, and differential item functioning by age and gender. Results: Original LW-CI-PD do not fit Rasch model. Modifications emerged included simplifying the response scale and deleting misfit items, the dimensions Acceptance, Coping and Integration showed a satisfactory fit to the Rasch model, with reliability indices greater than 0.70. The dimensions Self-management and Adjustment to the disease did not reach fit to the Rasch model. Conclusion: Suggestions for improving the LW-CI-PD include a multidimensional and shorter scale with 12 items grouped in three subscales with a simpler response scheme. The final LW-CI-PD Scale version is a reliable scale, with good internal construct validity, that provides Rasch transformed results on linear metric scale. BMC Neurol 2020 Sep 15;20(1):346. 10.1186/s12883-020-01926-7 1471-2377 BMC neurology 32933508 http://hdl.handle.net/20.500.12105/11083 Rasch analysis of the living with chronic illness scale in Parkinson's disease