Table 1

 Age, sex, and type of STEMI data for the pre-change group and the post-change group

Pre-changePost-changep
*Two sample t test; †χ2 test.
Number of patients632654
Mean age (y) (SD)65.5 (11.9)65.4 (13.1)0.9*
M: F ratio1.6:12.0:10.037†
Streptokinase: rPA ratio7.9:12.5:1<0.001†
Inferior STEMI2572690.9†
Anterior STEMI2091970.4†
Lateral MI22370.075†
Non-Q wave MI67620.5†
Posterior STEMI441.0†
STEMI, site not specified73850.5†