Résumé
Low serum 25-hydroxyvitamin D (25[OH] D) levels have been associated with increased susceptibility to and severity of lower respiratory tract infections. Hypovitaminosis D may be a modifiable risk factor in the severity of lower respiratory illnesses. Aims and Objective: The aim is to study the association of vitamin D deficiency with lower respiratory tract infections in children from 1 month to 12 year of age admitted in civil hospital pediatric ward. Methods: All patients aged 1 month to 12 years with lower respiratory tract infections admitted as inpatient in the Department of Pediatrics, civil hospital ahmedabad has been tested for serum Vitamin D levels by standard serological test.Informed consent had taken from the parents. All data collcected with use of preformed performa. About 3 ml of blood is collected and sent for serum 25 (OH) vitamin D analysis. Results & Conclusion: Total 75 patients has been enrolled in this study. Patient from 1 month to 12 years were included. Out of 75 patients, 44 are male child and 31 are female child. Out of 75 patients, 43 patients have sufficient vitamin D level while 21 patient have vitamin D insufficiency and 11 patient have vitamin D deficiency. Vitamin D deficiency and no. of respiratory tract infections were more in male children than female children. Vitamin D levels were low in children who were exclusively breast fed for 6 months (65.6%). Vitamin D levels were low in children who had poor exposure to sunlight (78.1%). There is no significant association between lower respiratory tract infection and vit D3 level.