Table 2. Initial Database: Descriptive Statistics Summarizing ST for Each of the 20 Categories
Cat = category number; N = number of cases in the category; P = number of procedures in the category; Sum = total ST (min) for cases in the category; %= percent of ST in each category relative to the total; SD = standard deviation (min); Min = minimum ST (min); Max = maximum ST (min)(46,322 cases and 3,096 different procedures in the initial database).