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Clinical practice guidelines in unstable angina improve clinical outcomes by assuring early intensive medical treatment

^a Section of Cardiology, Rush Presbyterian–St. Luke’s Medical Center, Chicago, Illinois, USA

View larger version (26K): [in a new window]   Figure 1 Frequency of the use of oral beta-blocker (A), coronary angiogram (B), aspirin (ASA), (C) and IV heparin (D) as a function of the hospital day on which they were started or performed. Day 0 = admission day.

View larger version (15K): [in a new window]   Figure 2 The use of beta-blockers over the study periods of both groups 1 (control) and 2 (guideline reminders). The bold vertical line indicates the beginning of the test period. The upper horizontal line inside the box represents the median value, and the lower horizontal line the mean value. The bottom of each box plot represents the 25th and 75th percentiles. The whiskers at the end of the horizontal lines represent the 95th percentiles. Solid circles = before guideline reminders were instituted; open circles = after guideline reminders were instituted; rectangular boxes = box plots before and after guideline reminders were instituted.

View larger version (13K): [in a new window]   Figure 3 The use of aspirin (ASA) over the study periods of both groups 1 (control) and 2 (guideline reminders). See Figure 2 for explanation of symbols.