Table 3. The association between risk factors and hospital death using stepwise multiple logistic regressions.

Variable	Odds ratio	95% CI	P value
GRACE score group	5.7	2.588∼12.757	<0.001
MMP-9 adm. group(>398.2ng/ml)	6.0	1.787∼20.130	0.004

adm, administration.