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Table 4 Serum 25(OH) D levels and prevalence of vitamin D deficiency in relation to diagnoses

From: Vitamin D deficiency is common in psychogeriatric patients, independent of diagnosis

Diagnoses

N

25 (OH) level (nmol/L)1

Prevalence (%) of vitamin D deficiency2

Depression

31

45.9 (20.5)

71.0

Bipolar disorder

10

43.8 (18.0)

50.0

Psychosis

12

33.9 (16.0)

83.3

Dementia

31

38.6 (18.6)

74.2

Other diagnoses

11

34.8 (17.6)

72.7

  1. 1A one-way ANOVA test revealed no significant difference (F(4,90) = 1.41, p = 0.236) in 25(OH)D levels between the different diagnostic groups.
  2. 2The Fisher’s exact test indicated no significant association (χ2 = 3.1, p = 0.522) between vitamin D deficiency and diagnosis.