Abstract: . . .  confidence intervals) Page 5 July 2005 Office for Oregon Health Policy and Research Page 5 of 5 Heart Attack Death Rate Oregon, 2004 *National rate is for 2002 Underline indicates that hospital-submitted comments are available. Click on hospital name to access comments. Number of cases in parentheses. Hospitals . . .
. . .  and therefore not statistically different than the state average for this procedure. The margin of error is wider for hospitals with fewer heart attack patients. What do the symbols mean? The symbols on this chart tell you which differences are large enough to be considered statistically significant, or outside the margin of error. . . .
. . .  represent the margin of error (based on 95% confidence intervals) Page 5 July 2005 Office for Oregon Health Policy and Research Page 5 of 5 Heart Attack Death Rate Oregon, 2004 *National rate is for 2002 Underline indicates that hospital-submitted comments are available. Click on hospital name to access comments. . . .
. . .  the margin of error (based on 95% confidence intervals) Page 5 July 2005 Office for Oregon Health Policy and Research Page 5 of 5 Heart Attack Death Rate Oregon, 2004 *National rate is for 2002 Underline indicates that hospital-submitted comments are available. Click on hospital name to access comments. Number . . .
--1600,4,200,1892,7999