STEMI (n=29) NSTEMI (n=71) Suspicious to have CAD (n=100) P-value Free PSA (mean ± SEM) 0.49±0.13 0.55±0.09 0.53±0.06 0.701 Total PSA (mean ± SEM) 1.41±037 2.03±047 1.76±029 0.48 Free/Total PSA (mean ± SEM) 0.37±0.05 0.32±0.01 0.36±0.29 0.399

Table 1: Relation between PSA indices with MI (STEMI, NSTEMI) and suspicious to have CAD.