Objective  To construct the Urinary Catheter Removal Assessment Scale for Patients with Colorectal Surgery under the guidance of the concept of enhanced recovery after surgery (ERAS), and to test reliability and validity.

Methods  Under the guidance of the concept of ERAS, the relevant factors affecting the timing of urinary catheter removal in patients with colorectal surgery were analyzed through literature review and expert interview, and combined with clinical practice. The initial scale was formed through 2 rounds of Delphi consultations. A total of 137 patients undergoing colorectal surgery in a grade-III hospital in Hubei province from April to October 2023 were selected by convenience sampling method for questionnaire survey, and the reliability and validity test was conducted to analyze the sensitivity and specificity of the scale and determine the optimal threshold.

Results  The scale consists of 3 dimensions and 20 items. The cumulative variance contribution rate was 83.582%. The content validity index was 0.96~1.00 at the item level and 0.91 at the scale level. The correlation coefficient between each item and its dimension ranged from 0.637 to 0.852, between the dimensions ranged from 0.602 to 0.774, and between each dimension and the total table ranged from 0.889 to 0.918. The Cronbach’s α coefficient of each dimension was 0.914~0.957, and of the total scale was 0.931. The partial half-reliability of each dimension was 0.913~0.942, and of the scale was 0.958. The area under the ROC curve of the scale was 0.934[95CI%(0.892, 0.975)]. When the scale score was 29.5, the sensitivity, specificity and Yoden index of the scale were the highest, which were 0.870, 0.912 and 0.782, respectively. When the score is less than 29.5, the urinary catheter could be removed.

Conclusion  The catheter removal tool constructed in this study has good reliability and validity, and could accurately judge the timing of catheter removal in patients with colorectal surgery through clinical verification.

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