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Abstract：
Dysphagia Handicap Index (DHI) is a self-assessment questionnaire which consists of 25 statements to examine three aspects of dysphagia patients\' quality of life (QoL): functional, physical, and emotional. The patient can get a maximum score of 100 points. The study goal was to validate and translate the Polish version of the DHI (PL-DHI). One hundred and seventy-eight (178) individuals with oropharyngeal dysphagia with different etiology and 35 (thirty-five) asymptomatic adults with no history of swallowing disorders filled out the PL-DHI. Internal consistency was determined using Cronbach alpha coefficient, which was high for the total PL-DHI score (0.962). The reproducibility was high (r-Spearman correlation coefficient was 0.97 for total PL-DHI score). The PL-DHI\'s total score and its subscales were significantly higher in the dysphagia patients study group (SG) than in the healthy controls group (CG) (SG median: 36; CG median: 4). A strong correlation was observed between the PL-DHI score and the self-reported dysphagia severity measure (Spearman\'s correlation coefficient was 0.859, p < 0.001). The Polish DHI is a reliable and valid questionnaire for assessing dysphagia patients\' QoL.
摘要：
吞咽困难障碍指数（DHI）是一个自我评估问卷，由25个陈述组成，以检查吞咽困难患者的三个方面的生活质量（QoL）：功能，物理，和情感。患者可以获得100分的最高分数。研究目标是验证和翻译波兰版的DHI（PL-DHI）。一百七十八（178）名病因不同的口咽部吞咽困难患者和35（三十五）名没有吞咽障碍史的无症状成年人填写了PL-DHI。使用Cronbachα系数确定内部一致性，这对于PL-DHI总评分（0.962）是很高的。可重复性高（PL-DHI总评分r-Spearman相关系数为0.97）。吞咽障碍患者研究组（SG）的PL-DHI总分及其分量表明显高于健康对照组（CG）（SG中位数：36；CG中位数：4）。PL-DHI评分与自我报告的吞咽困难严重程度之间存在强相关性（Spearman相关系数为0.859，p<0.001）。波兰DHI是评估吞咽困难患者QoL的可靠有效问卷。
