Table 1. Demographics and Baseline Measurements.

Baseline Measure	Normal Casual BP (n=44)	Stage 1 HTN (n=76)	Stage 2 HTN (n=40)	P
Age, y	12.8±2.81	12.4±2.50	12.4±2.48	0.63*
Male, %	77%	61%	60%	0.13†
Racial distribution, %				<0.001‡
White	50%	28%	35%	…
Black	43%	33%	23%	…
Hispanic	7%	39%	42%	…
BMI	23.6±7.07	26.8±6.65	25.4±6.84	0.21*
Obesity prevalence, %	36%	55%	50%	0.13†
Systolic BP index	0.92±0.060	1.04±0.040	1.15±0.053	<0.001§
Diastolic BP index	0.85±0.093	0.92±0.129	1.00±0.161	<0.001§
Presence of WCH, n (%)	…	26 (34)	6 (15)	…
Presence of masked HTN	9 (20%)	…	…	…
Fasting glucose, mg/dL	78.6±17.71	80.9±26.56	81.9±12.69	0.82§
Fasting insulin (n=123), IU/mL	9.1 ±6.32	15.0±10.25	14.5±13.02	0.01§
QUICKI (n=123)	0.37±0.047	0.34±0.047	0.35±0.040	0.02*
Total cholesterol, mg/dL	156.7±20.07	167.6±36.22	173.1 ±25.27	0.02§
Triglycerides, mg/dL	70.8±48.41	101.0±71.55	110.1 ±75.52	<0.01§

QUICKI indicates Quantitative Insulin Sensitivity Check Index; WCH, white-coat HTN.

^*ANOVA.

^†χ².

^‡Fisher's exact.

^§Kruskal-Wallis.