Subclinical Vitamin D Deficiency in Children from Thrissur, Kerala.

This study was conducted to assess the 25-hydroxy vitamin D levels in children (age 1-5 yr) from Thrissur, Kerala, and to find its association with clinical manifestations of vitamin D-deficiency. Among the 79 children included, none had clinical features of rickets. The mean (range) vitamin D level was 18.