title: Subacute zinc deficiency in children with recurrent upper respiratory tract infection.
abstract: Serum, urine and hair zinc levels in 20 patients with recurrent upper respiratory tract infection are compared with those of age- and sex-matched controls. Lower hair zinc (1.44 vs 2.00 mmol/g hair, P = 0.004) and higher urinary zinc levels (2.2 vs 1.6 mmol/mol creatinine, P = 0.05) were found, but no difference in serum zinc. The patients had lower-normal height for age (SD-score 0.2 vs 0.7, P = 0.031), there was no difference in weight for height. No correlation was found between the zinc values and the duration of the complaints.
mesh_terms: D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D012008:Recurrence; D012141:Respiratory Tract Infections / Q000378:metabolism*; D015032:Zinc / Q000172:deficiency*
chemical_list: D015032:Zinc