Table 4.

Change in myocardial performance index with changes in selected parameters among children with essential hypertension

Parameter	Crude		Adjusted
	Coefficient, β	95% CI	Coefficient, β	95% CI
Mean SBPa	0.082	0.040 to 0.125	0.137	0.028 to 0.246
Mean DBPa	0.054	0.015 to 0.092	−0.012	−0.091 to 0.066
Age	−0.003	−0.021 to 0.016	0.012	−0.029 to 0.053
Male	−0.016	−0.083 to 0.050	−0.019	−0.108 to 0.07
Ethnicity
White	Referent		Referent
Black	−0.005	−0.09 to 0.080	0.037	−0.004 to 0.006
Hispanic	−0.024	−0.109 to 0.061	−0.040	−0.003 to 0.004
BMI	0.001	−0.003 to 0.005	0.001	−0.004 to 0.006
Heart rate	0.001	−0.001 to 0.004	0.001	−0.003 to 0.004
CIMT	−0.028	−0.517 to 0.460	−0.182	−0.981 to 0.616
LVH	−0.015	−0.081 to 0.051	−0.008	−0.089 to 0.073

Abbreviations: BMI, body mass index; CI, confidence interval; CIMT, carotid intimal medial thickness; DBP, diastolic blood pressure; LVH, left ventricular hypertrophy; SBP, systolic blood pressure.

^aMean blood pressures are in 10 unit increments.