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Table 1 The comparison of biochemical parameters related to asthma between the study and the control group

From: Childhood asthma and vitamin D deficiency in Turkey: is there cause and effect relationship between them?

Characteristics Asthma group Control group p
  (n = 85) (n = 85)  
mean ± SD
Age (years) 6.2 ± 2.4 6.6 ± 2.8 >0.05
BMI (kg/m 2 ) 17.7 ± 3.2 17.3 ± 3.0 >0.05
Vitamin D (ng/ml) 16.6 ± 8.5 28.2 ± 19.5 <0.001
Total IgE (IU/ml) 236.4 ± 323.2 65.4 ± 102.9 <0.001
Eosinophil count (cell/mm 3 ) 5.8 ± 2.3 3.4 ± 2.8 <0.001
Calcium (mmol/L) 9.6 ± 0.6 9.8 ± 0.6 0.04
Phosphorus (mmol/L) 5.1 ± 0.7 5.2 ± 0.7 0.995
Alkaline phosphatase (U/L ) 197.7 ± 86.8 192.7 ± 78.3 0.996
Parathyroid hormone (mmol/L) 37.2 ± 17.0 29.9 ± 16.2 0.004
  1. SD: Standard Deviation, p: student’s t test.