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The percentage absolute deviation of the baseline and final bowel measurements is expressed as median and interquartile range. (A) Measurement results before and after the training program were compared for all residents (Z = −1.38, P = .17). (B) Measurement results of the participants with sufficient practice (N = 8) before and after the training experiment were compared (Z = −2.5, P = .012). Sufficient practice was defined as practicing at least one time each week.
