Abstract
Objective
Materials and Methods
Results
Notes
This study was supported by grants from the Dong Kook Pharm. Co., Ltd. (DR 16-03) and the Korea Health Technology R&D Project of the Korea Health Industry Development Institute (KHIDI), funded by the Ministry of Health & Welfare, Republic of Korea (No. HI13C0004 and HI15C1052). This research work was a part of the investigations of LOCAT (Low-dOse CT for acute Appendicitis Trial) Group, which was endorsed by the Radiology Imaging Network of Korea for Clinical Research (RINK-2015-003).
References
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Supplementary Materials
Supplementary Fig. 1
Supplementary Fig. 2
Supplementary Table 3
Table 1
Survey Questionnaire
![kjr-21-68-i001](/upload/SynapseXML/0068kjr/thumb/kjr-21-68-i001.jpg)
All questions were pertinent to CT in adolescent and young adults with suspected appendicitis. *Responses were obtained as “yes,” “partly,” or “no.” “Yes” indicated ‘completely and consistently,’ while “partly” indicated ‘not consistently but selectively (e.g., during working hours),’ †Participants were asked to choose one or more of followings: low image quality, impaired diagnostic performance, insufficient experience in 2-mSv CT, lack of published evidence justifying use of 2-mSv CT, and worrisome clinical outcomes, ‡Responses were obtained as 0.004-, 0.04-, 0.4-, 4-, 40-, or 400-fold, §Responses were obtained using 5-point Likert scale: never committed, hardly committed, unsure, partly committed, and fully committed.
Table 2
Number of Participants
![kjr-21-68-i002](/upload/SynapseXML/0068kjr/thumb/kjr-21-68-i002.jpg)
Table 3
Survey Results
![kjr-21-68-i003](/upload/SynapseXML/0068kjr/thumb/kjr-21-68-i003.jpg)
Data are number of participants (and percentages). Shade of each cell indicates percentage categorized as follows: 0–20%, 21–40%, 41–60%, 61–80%, or 81–100%. Each percentage is that of given response out of all participants of that category. Darker shade represents higher percentage. Percentages may not add up to 100% because of rounding. For questions regarding willingness or acceptance, “yes” indicated ‘completely and consistently’ while “partly” indicated ‘not consistently but selectively (e.g., during working hours)’. For Q2, participant could choose one or more answers. *These questions were asked to only 421 participants who responded as “partly” or “no” to Q1, †Estimation of carcinogenic risk of conventional-dose CT radiation, ‡Considered as accurate estimate.