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Analysis of factors affecting ultrasound examination time: A quantitative study
Qingqing Wu1,2, Xihong Li1,2, Li Li1,2
1Reproductive and Genetic Hospital of CITIC-Xiangya, Changsha, Hunan, China.
Background:
Numerous studies have focused on reducing patient absences and effectively scheduling exams. However, very few studies have analyzed the factors influencing examination time and predicted examination time.
Objectives:
To investigate the factors affecting ultrasound examination visit length and provide a reference for interventions to optimize ultrasound appointments.
Methods:
This cross-sectional study was conducted at a fertility clinic in China. Ultrasound examination time and clinical characteristics were obtained from the electronic records. Univariate and multivariate analyses used 33,432 patients who attended our clinic center between August 1 and October 30, 2018. A quantile regression model was constructed to examine associations between ultrasound examination time and statistically significant variables in the univariate analysis.
Results:
Of the 33,432 patients included in this study, 29,085 (87%) were female and 4,347 (13%) were male. Their mean examination time was 6 ± 3 minutes. The doctor's title and gender, equipment, and patient's age, examination site, gender, and origin were all statistically significant. Physical examination and outpatient clinic patients had shorter examination times than inpatients. Female physicians had longer examination times than male physicians. Examination time was positively correlated with thyroid, breast, liver, gallbladder, spleen, pancreas, kidney, heart, vascular, adrenal, gynecological, early pregnancy, nuchal translucency, prostate, scrotum, and mid-to-late pregnancy fetal sites. Moreover, NT and mid-to-late pregnancy fetal sites showed a clear and continuous positive trend with increasing examination time.
Conclusion:
The length of the ultrasound examination was correlated with the examination site, physician title, physician gender, patient age, patient gender, patient origin, and instrumentation. The reliability of inspection time predicted by variables such as the physicians' title, sex, sites examined, and the number of sites examined was higher when they were longer.
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