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One of the criteria used to calculate Risk Index is operation time. What are some examples of 75th percentile of the duration for surgery?

April 26, 2017CALCULATE criteria examples index operation Percentile risk time Used

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One of the criteria used to calculate Risk Index is operation time. What are some examples of 75th percentile of the duration for surgery?

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A risk index point is allocated if an operation lasts more than t hours where t is the 75th percentile of the duration of surgery for that particular operative procedure (rounded to the nearest hour). That is, 75% of the operations for that procedure were shorter than t hours and 25% were longer than t hours.