International Scholarly Research Notices / 2013 / Article / Tab 2

Clinical Study

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

Table 2

Serum 25-hydroxyvitamin D levels (ng/mL): distribution by season and race.

Season† All subjects ( )*African American ( )Non-African American ( )**
Avg ± SD% <20 Avg ± SD% <20 Avg ± SD% <20

Winter4216.9 ± 7.4 74 913.7 ± 3.8 893317.8 ± 7.9 70
Spring7020.7 ± 9.7 54 913.6 ± 5.1 896121.7 ± 9.8 49
Summer5622.9 ± 11.4 38 717.0 ± 5.0 714923.7 ± 11.8 33
Autumn5121.3 ± 9.1 49 816.5 ± 6.3 754322.2 ± 9.4 44

ANOVA P value < 0.01; P value < 0.02.
Winter (December through February), spring (March through May), summer (June through August), and autumn (September through November).

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