Patients and Methods
Study Population, Design & Setting
• Cross-sectional study at Al-Karak governmental hospital in Jordan between May
2015 and February 2016, 100 patients with an age range 1-14.
• Diagnosis and assessment according to GINA (Global Initiative for Asthma)
classification along with a validated questionnaire
• Asthma Control Test (ACT) if older than 12 years and Childhood Asthma Control
Test (C-ACT) if younger.
• An ACT/C-ACT score of ≤ 19  poor control, a score of > 19  good control.
• Vitamin D measurement by 25-OH levels as deficient (<20 ng/ml), insufficient
(20-29 ng/ml), or sufficient (>29 ng/ml).
• Skin Prick Testing for relation between atopy and vitamin D deficiency, positive
if >4mm swelling.
• Statistical Analyses: compared using ANOVA or Pearson’s, SPSS software used.