Coefficient (β) P value
Model 1 F=4.85 P=0.031
CPK-AUC +0.256 .0031
Model 2 F=4.67 P=0.005
CPK-AUC +0.257 0.024
Nitroglycerine IV -0.240 0.034
FGF21 on admission +0.232 0.041

CPK-AUC: Creatine Phosphokinase-Area Under the Curve; IV: Intravenous injection; FGF21: Fibroblast Growth Factor 21
Table 3: Results of multivariate stepwise regression analysis.