研究目的
To compare characteristics of patients with imaging findings representing possible cancer who undergo follow-up imaging versus those who do not to better understand factors that contribute to follow-up completion.
研究成果
Patient age and initial imaging setting correlate with rates of follow-up recommendation adherence. ED patients and patients at the extremes of age are less likely to complete follow-up imaging. African American patients may be less likely to complete imaging follow-up, and the relationship between distance to hospital and follow-up completion requires further investigation.
研究不足
Single-institution retrospective design; excluded or deceased cohort differed in race and insurance status; unknown if patients had follow-up outside the health system or if findings were already characterized elsewhere.
1：Experimental Design and Method Selection:
A retrospective cohort study design was used. Patient records were reviewed to compare characteristics between groups who did and did not undergo follow-up imaging. Statistical analyses included chi-square tests and logistic regression.
2：Sample Selection and Data Sources:
Records of 1588 adult patients with noncritical actionable abdominal findings on imaging studies obtained between July 2013 and March 2014 were evaluated. Data were queried from the radiology information system.
3：List of Experimental Equipment and Materials:
Not specified in the paper.
4：Experimental Procedures and Operational Workflow:
Patient factors such as age, sex, race, home zip code, health care setting, insurance status, and distance to hospital were collected. Distance was calculated from zip code centroids. Follow-up rates were compared using statistical methods.
5：Data Analysis Methods:
Statistical analyses were performed with R software (version 3.4.3). Chi-square tests and logistic regression were used to analyze data.
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