CCTASCrusaders-Catholic Total Abstinence Society (sword carrying society)
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Overall, 61.37% of patients received appropriate CCTA, but there was no significant change over time ( P = 0.8701).{Table 1}
Details of the CCTA procedural characteristics are summarized in [Table 2].
To investigate the rate of inappropriate CCTA application, enrolled patients were sorted and compared according to different clinical risk levels [Figure 1].
In an analysis of appropriate CCTA applications continuously, a nadir was found in the rate of appropriate CCTA in May 2013, 3 months prior to the publication of the 2013G [Figure 2].
Furthermore, a significant decline was demonstrated in the adjusted rate of appropriate CCTA [Figure 3] from the nadir on May 1, 2013 to September 1, 2014 (odds ratio [ OR ] for appropriate CCTA per 15-day increase in time, 0.974; 95% confidence interval [ CI ], 0.960-0.987; P = 0.0002).
In this study, in patients subjected to CCTA due to suspected SCAD, the rate of appropriate CCTA was slightly more than 60%, and no significant change was found in this rate following the publication of the 2013G.
It is noteworthy that there are two different types of barriers: "overuse" and "underuse." [sup][26] This study only retrospectively included patients referred for CCTA and focused on the "overuse" of CCTA.
The absolute rate of appropriate CCTA in this study should be interpreted with caution.