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Table 2 Vitamin D serum variables among the study groups

From: Vitamin D serum level in major depressive disorder and schizophrenia

Vitamin D variables MDD
N = 20 (%)
Schizophrenia
N = 20 (%)
Control
N = 20 (%)
p value
Serum level (ng/mL) mean±SD 18.2 ± 12.2 27.4 ± 27.5 38.8 ± 25.2 ^< 0.001*
Severity of hypovitaminosis D     
Severe deficiency (< 10 ng/ml) 2 (10%) 3 (15%) 0 (0%) 0.098 #
Deficiency (10–20 ng/ml) 13 (65%) 9 (45%) 6 (30%)
Insufficiency (20–30 ng/ml) 2 (10%) 4 (20%) 5 (25%)
Sufficient (30–50 ng/ml) 3 (15%) 4 (20%) 9 (45%)
  1. SD standard deviation, MDD major depressive disorder
  2. ^ANOVA
  3. #Chi-square test
  4. *Statistically significant < 0.05