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

Table 2

Comparison of demographic data in controls and ALL children group.

	Control (𝑛-30)	Patient Group (𝑛-25)	𝑡-test	𝑃 value
Age ± SD (yr)	9.2±2.9	9±2.6	0.47	0.64
Sex M : F ratio	7 : 8	13 : 12	0.6	0.53
Hb% ± SD	12.8±1.1	9.4±1.05	10.2	<0.001*
HR ± SD (beat/min)	83.3±8.0	87.0±8.7	10.3	<0.001*
RR ± SD (cycle/min)	21.1±2.5	22.4±2.8	6.6	<0.001*
SBP ± SD (mmHg)	100.0±6.2	90.8±5.2	7.3	<0.001*
DBP ± SD (mmHg)	56.7±6.3	49.2±5.9	15.6	<0.001*
BMI ± SD (Kg/m^2)	18.4±1.7	22.0±2.5	6.1	<0.001*

M : F (male-to-female ratio); Hb% (hemoglobin percent); HR (heart rate), RR (respiratory rate); SBP (systolic blood pressure) DBP (diastolic blood pressure); BMI (body mass index).