Serum vitamin D 3 levels and diffuse hair fall among the student population in South India: A case–control study

INTRODUCTION AND AIMS: has emerged as a molecule with key role to play in various disorders. This study was done to assess its role in diffuse hair fall among student population. MATERIALS AND METHODS: levels were measured in all the patients. Data analysis was done using Statistical Package for Social Sciences version 11.5 software and significance was tested using Chi-square test and binary logistic regression analysis. RESULTS: were not significantly different among Indians, nonresident Indians, and foreigners. None of the cases had normal Vitamin D values whereas 4.5% controls fell in the normal category. CONCLUSIONS: levels among student population.