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Univariate Kaplan Meier analysis of dysphagia patients grouped into seven etiologies (according to table II) and assessed for overall survival (in months) compared to Stroke patients showed statistically significant differences between groups, with patients in the Larynx group at lowest risk, and patients in the Dysphagia NOS, Neuro, and, and Surgery groups at highest risk of mortality (P < 0.0001).
