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Hospital - St. Joseph's Health Care System - Hamilton Category - Hospital procedures - Utilization rates Select a different category   LEGEND: BLUE Better than the Ontario average for the selected year. WHITE Not different from the Ontario average for the selected year. RED Worse than the Ontario average for the selected year. - No data were available for this year. DEFINITIONS: Rank All institutions were ranked on each indicator based on their scores, where the highest rank of 1 corresponds to the highest score out of 100. Volume indicators were not ranked since they have threshold requirements. Score The score indicates how well a hospital performs on a given indicator, based on its risk adjusted rate where a score of 100 is the highest. Risk adjusted rate Measures the observed rate adjusted for differences in patients’ age, sex, and the presence of complications. Observed rate Measures the outcome of interest compared to population at risk. Ontario average/total This value is the risk adjusted average (Ontario average) or total (Ontario total) of an indicator across all acute care hospitals in Ontario. Laparoscopic cholecystectomy Minimally invasive removal of the gall bladder, a small pear-shaped sac that stores and concentrates bile, which is needed for digestion. Higher rates are more desirable. MEASURE Year* 97-98 98-99 99-00 00-01 01-02   02-03 03-04 04-05   05-06 06-07 Rank View View View View View View View View - - Score View View View View View View View View - - Observed 85.42% 79.61% 78.64% 72.37% 77.72% 88.65% 85.52% 93.58% - - Risk adjusted 85.79% 80.49% 80.17% 74.03% 79.23% 89.51% 86.98% 95.09% - - Ontario average 78.17% 77.05% 76.07% 75.73% 75.63% 76.50% 76.51% 79.46% 79.70% 80.76% Compare this indicator against other hospitals in Ontario Incidental appendectomy among elderly Removal of the appendix at the time of another necessary abdominal surgery. This procedure is performed to eliminate the risk of future appendicitis (inflammation of the appendix). Incidental appendectomy is generally not recommended in the elderly because they have both a lower risk for developing appendicitis and a higher risk of complications after surgery (calculated for patients 65 years or older). Lower rates are more desirable. MEASURE Year* 97-98 98-99 99-00 00-01 01-02   02-03 03-04 04-05   05-06 06-07 Rank View View View View View - - - - - Score View View View View View - - - - - Observed 2.53% 0.27% 0.73% 1.92% 0.26% - - - - - Risk adjusted 2.54% 0.16% 0.71% 1.97% 0.13% - - - - - Ontario average 1.31% 1.28% 1.18% 1.16% 1.00% - - - - - Compare this indicator against other hospitals in Ontario Bi-lateral cardiac catheterization A diagnostic test performed to see if the blood vessels to the heart are narrowed or blocked. Lower rates are more desirable. MEASURE Year* 97-98 98-99 99-00 00-01 01-02   02-03 03-04 04-05   05-06 06-07 Rank - - - - - - - - - - Score - - - - - - - - - - Observed - - - - - - - - - - Risk adjusted - - - - - - - - - - Ontario average 5.54% 4.16% 3.39% 3.73% 3.04% - - - - - Compare this indicator against other hospitals in Ontario * Note: It is not possible to compare data from 1997-2001 with data from 2002-2005 because of the change in coding classification.

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