International Scholarly Research Notices / 2013 / Article / Tab 1

Clinical Study

Vitamin D Deficiency Is Prevalent in Morbidly Obese Adolescents Prior to Bariatric Surgery

Table 1

Association of patient characteristics ( ) with 25-hydroxyvitamin D (25OHD) levels.

VariableMean ± SD
(range)
Correlation with 25 OHD

Age (years)15.9 ± 1.2 (12.9–18.5) 0.59
Sex (female : male)143 : 76 0.120.07
Race (% African American)15%−0.28<0.0001
BMI (kg/m 2)47.5 ± 8.1 (35.3–86.2)−0.28<0.0001
Serum calcium (8.7–10.2 mg/dL)9.3 ± 0.6 0.040.53
iPTH (1055 pg/mL)28.0 ± 13.9−0.240.0003
1,25(OH)2D (15.0–90.0 pg/mL)46.13 ± 15.2 0.070.34

Normal ranges presented in parentheses for serum measurements.
r (Spearman correlation coefficient) and values presented for the association between each variable and total 25OHD concentration in the univariate analysis. Variables with significant correlations are in boldface.
Calcium values are corrected for serum albumin.

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