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J Urol ; 212(1): 114-123, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38626440

RESUMO

PURPOSE: Patients with spinal cord injuries (SCIs) experience variable urinary symptoms and quality of life (QOL). Our objective was to use machine learning to identify bladder-relevant phenotypes after SCI and assess their association with urinary symptoms and QOL. MATERIALS AND METHODS: We used data from the Neurogenic Bladder Research Group SCI registry. Baseline variables that were previously shown to be associated with bladder symptoms/QOL were included in the machine learning environment. An unsupervised consensus clustering approach (k-prototypes) was used to identify 4 patient clusters. After qualitative review of the clusters, 2 outcomes of interest were assessed: the total Neurogenic Bladder Symptom Score (NBSS) and the NBSS-satisfaction question (QOL). The NBSS and NBSS-satisfaction question at baseline and after 1 year were compared between clusters using analysis of variance and linear regression. RESULTS: Among the 1263 included participants, the 4 identified clusters were termed "female predominant," "high function, low SCI complication," "quadriplegia with bowel/bladder morbidity," and "older, high SCI complication." Using outcome data from baseline, significant differences were observed in the NBSS score, with the female predominant group exhibiting worse bladder symptoms. After 1 year, the overall bladder symptoms (NBSS Total) did not change significantly by cluster; however, the QOL score for the high function, low SCI complication group had more improvement (ß = -0.12, P = .005), while the female predominant group had more deterioration (ß = 0.09, P = .047). CONCLUSIONS: This study demonstrates the utility of machine learning in uncovering bladder-relevant phenotypes among SCI patients. Future research should explore cluster-based targeted strategies to enhance bladder-related outcomes and QOL in SCI.


Assuntos
Fenótipo , Qualidade de Vida , Traumatismos da Medula Espinal , Aprendizado de Máquina não Supervisionado , Bexiga Urinaria Neurogênica , Humanos , Traumatismos da Medula Espinal/complicações , Feminino , Masculino , Pessoa de Meia-Idade , Adulto , Bexiga Urinaria Neurogênica/etiologia , Bexiga Urinaria Neurogênica/diagnóstico , Bexiga Urinária/fisiopatologia , Sistema de Registros , Aprendizado de Máquina
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