摘要
目的 分析某三甲医院实行日间手术对平均住院日的影响。方法 采用从HIS获取的2014年1月至2021年12月全院及乳腺甲状腺（简称乳甲）外科的出院患者人数及患者住院天数数据，采用中断时间序列的分段回归模型，分析开展日间手术前后平均住院日的变化趋势。结果 开展日间手术后，全院平均住院日每月下降0.05天，较开展前每月降幅增加0.01天（P＜0.001）；乳甲外科的平均住院日较开展前每月降幅增加0.03天（P＜0.001），平均每月下降0.08天。结论 日间手术的开展缩短了平均住院日，能有效提高医院床位使用效率有助于提高医院资源利用率。
关键词： 日间手术平均住院日；中断时间序列
Abstract
Objective to analyze the impact of daytime surgery on the average length of stay in a third class hospital. Methods the data of the number of discharged patients and the length of stay of patients from January 2014 to December 2021 in the whole hospital and the Department of mammary gland and thyroid surgery (hereinafter referred to as mammary gland and thyroid surgery) obtained from his were used. The change trend of the average length of stay before and after daytime surgery was analyzed by using the segmented regression model of interrupted time series. Results after day surgery, the average length of stay in the hospital decreased by 0.05 days per month, which was 0.01 days higher than that before the operation (P<0.001); The average length of stay of breast and nail surgery increased by 0.03 days per month (P<0.001) and decreased by 0.08 days per month. Conclusion the development of day surgery can shorten the average hospital stay, effectively improve the effi- ciency of hospital beds, and help to improve the utilization of hospital resources.
Key words： Mean days of hospital stay for day surgery; Interrupted time series
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