Exact(2)
The median number of procedures for the group of competent trainees to reach competency (ie, cross the upper control limit) was 171 (figure 3).
Forty-nine trainees had performed 200 procedures or more: after 200 procedures, 21 trainees had attained competency and 30 trainees were yet to reach competency, giving a proportion of competent trainees of 41%.
Similar(58)
By the LC-Cusum method, 41% of trainees were competent after 200 procedures and 76% were competent after 250 procedures.
While physicians have more expertise in what it means to be a competent physician than the trainees they are teaching, the emergence of competency based curricula may shift this divergence, as trainees may take on a larger role in determining their own needs to achieve a set of competencies.
LC-Cusum analysis (with p0=0.10, p1=0.20) defined trainees as competent or yet to reach competence, according to whether the upper control limit was crossed or not.
By this method, 36 trainees were competent with 261 trainees yet to reach competency.
By LC-Cusum analysis, 41% trainees were competent after 200 procedures.
By LC-Cusum analysis, 41% of trainees were competent after 200 procedures.
We report the proportion of trainees deemed competent by both methods.
Different values of p1 yielded different results in terms of defining trainees as competent (see table 2).
Two statistical methods have been used, demonstrating that only 41% of trainees were competent after 200 procedures and that a mean CIR of 90% was reached after 233 procedures.
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