Objective Taking the impact of"China Hospital Quality and Safety Management Part 4-8:Medical Management,Hospital Infection Management"on colon surgery as an example,to evaluate the effect of the application of"Chinese Hospital Quality and Safety Management"group standards on surgical operation service.Methods Based on the hospital information system,colon surgery inpatients data were extracted from October 1,2018 to September 30,2019(before the implementation of the group standards)and from October 1,2019 to September 30,2020(after the im-plementation of the group standards).Baseline characteristics such as age and comorbidities were analyzed and com-pared,and interrupted time series analysis(ITSA)was used to evaluate the impact of standard implementation on ad-verse events and length of hospital stay.Results A total of 4 442 colon surgery inpatients were included in the study,with 2 936 patients before the implementation of the group standards and 1 506 patients after the implementation.Com-pared with periods before the implementation of the group standards,patients after the implementation had higher co-morbidity index(2.25±4.95 vs 3.95±6.14,P<0.000 1),higher prevalence of malignant tumor(14.03%vs 26.10%,P<0.000 1)and longer length of hospital stay(10.95±8.52 vs 13.29±9.50,P<0.0001),but there was no increase in the incidence of adverse events(1.12%vs 0.86%,P=0.416 4).ITSA showed that there was no significant increase in the incidence of adverse events and length of stay after the implementation of group standards.Conclusion The imple-mentation of hospital quality and safety management standards can deal with the negative impact of worse patient condi-tions on clinical outcomes,ensuring the quality and safety of medical services,to some extent.
Group StandardsInfection ManagementIntermittent Time SeriesColon Surgery
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