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Vitamin D deficiency in a Portuguese epilepsy cohort: who is at risk and how to treat Volume 23, numéro 2, April 2021

Figure 1

Percentages (%) of epileptic patients with: vitamin D deficiency (25(OH)D ≤20 ng/mL), vitamin D insufficiency (25(OH)D: 21–29 ng/mL) and normal values (25(OH)D ≥30 ng/mL). 25(OH)D before (n=92) (A) and after (n=52) (B) vitamin D supplementation.

Figure 2

Serum levels of 25(OH)D in patients according to the number of AEDs (A) and type of AED (B). AEDs: antiepileptic drugs; NEIAEDs: non-enzyme inducing antiepileptic drugs; EIAEDs: enzyme-inducing epileptic drugs.

Figure 3

Serum levels of 25(OH)D before (pink line) and after (purple line) oral vitamin D treatment. The dotted black line corresponds to linear regression for serum levels after treatment.