Table 3.

Comparison of myocardial enzymes before and after treatment (n, $\overline{x}$ ± s).

Index	Time	Control group (n = 35)	Observation group (n = 35)	t value	P value
CK (U/L)	Before therapy	269.59 ± 65.17	267.17 ± 64.21	0.156	0.876
	After treatment	152.31 ± 16.72∗	90.81 ± 9.76∗	18.793	≤0.001
CK-MB (U/L)	Before therapy	55.83 ± 6.88	56.67 ± 6.25	0.535	0.595
	After treatment	27.06 ± 3.47∗	12.82 ± 1.22∗	22.904	≤0.001
cTnI (ug/L)	Before therapy	0.18 ± 0.03	0.17 ± 0.02	1.641	0.106
	After treatment	0.07 ± 0.02∗	0.02 ± 0.01∗	15.875	≤0.001

Note. Compared with the same group before treatment, ^∗P < 0.05.