Strain Echocardiography in Early Detection of Doxorubicin-Induced Left Ventricular Dysfunction in Children with Acute Lymphoblastic Leukemia

Table 5

Comparison between troponin I and CPK (MB) in patient group before and after doxorubicin.

	Patient group before (𝑛-25)	Patient group after (𝑛-25)	𝑡-test	𝑃 value
Troponin I (ng/mL)	0.055±0.003	0.061±0.005	7.8	0.002*
CPK (MB) (U/L)	50.60±8.55	48.61±6.56	0.185	0.62

CPK MB: creatinine phosphokinase cardiac.