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Table 1: 
Demographics and clinical profiles
Age, YearsnVit D <20Vit D ≥20
31–49; mean, 38.22210 (7 female, 3 male)12 (11 female, 1 male)
7 white, 3 black12 white
1 hypertensive, 1 diabetic2 hypertensive, 2 diabetic
1 supplemental vitamin D8 supplemental vitamin D
50–69; mean, 59.52511 (7 female, 4 male)14 (11 female, 3 male)
7 white, 4 black13 white, 1 black
8 hypertensive (2 uncontrolled)10 hypertensive (2 uncontrolled)
4 diabetic (1 uncontrolled)3 diabetic (1 uncontrolled)
1 supplemental vitamin D7 supplemental vitamin D