Provided herein are computer-based systems, software, and methods of using the same including a daily patient questionnaire, the questionnaire comprising: a question for determining whether the patient avoided solid food; a question for determining whether the patient had difficulty swallowing solid food; a question for determining what action the patient took to correct or relieve difficulty swallowing food; a question for determining the amount of pain the patient experienced while swallowing food; and a software module configured to apply an algorithm to answers to one or more of said questions to determine a score, wherein said score illustrates one or more selected from the group consisting of: (1) severity, intensity, or frequency of patient dysphagia; (2) suitability of a patient for a particular diagnostic tool, diagnostic method, or therapy for dysphagia; and (3) efficacy of a particular therapy for dysphagia.