PURPOSE: The purpose of this study is to develop an instrument to evaluate defecation function after anterior resection surgery.
METHODS: The Scale items of defecation function were selected from the previous scale, literature, expert opinions, and 174 survey questionnaires from 46 patients after low anterior resection.
RESULTS: The Scale structure of 2 subscales that is “Fecal continence and passage”” Keeping sense of want to do defecate “was developed. It was 12 items, likert type (1-5) scale (Range; 12-60 score). Internal consistency was high (Chronback α =. 82, 72 for each subscale, and .84 for all 12 items). CFI (Comparative Fit lndex) calculated by structural equation modeling (SEM) is .910.
CONCLUSIONS: The development of “Defecation Assessment Scale ver. 2” (DDAS ver. 2) was structured of two subscale structure (8 items, 4 items, total 12 items). The Scale is reliable and validate structured.
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