Table 3.

Comparison of serum indices such as myeloperoxidase and soluble ST2 in the observation group before and after cardiopulmonary resuscitation

Index	Before CPR (n = 54)	After CPR (n = 54)	t	P value
MPO (ng/L)	2.95 ± 0.89	2.30 ± 0.90	3.701	0.000
sST-2 (μg/L)	115.50 ± 21.10	105.54 ± 17.89	2.586	0.011
hs-CRP (mg/L)	3.76 ± 0.97	3.01 ± 0.95	3.979	0.000
Lactic acid (mmol/L)	5.77 ± 0.88	5.15 ± 0.82	3.709	0.000
CK-MB (U/L)	76.39 ± 8.28	70.40 ± 11.16	3.124	0.002
cTnI (μg/L)	4.59 ± 0.82	4.02 ± 0.97	3.244	0.002

CPR: Cardiopulmonary resuscitation; MPO: Myeloperoxidase; sST2: Soluble ST2; hs-CRP: Hypersensitive C-reactive protein; CK-MB: Creatine kinase isoenzyme; cTnI: Cardiac troponin I.