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Table 1 Subjects’ characteristics at baseline

From: Asthma in the elderly: a study of the role of vitamin D

Age (years, range) 72.6 ± 5.8, 65-84
Sex (F/M) 16/12
BMI 25 ± 3.2
Atopy 25/28
Duration of asthma (years) 34.3 ± 21.1
Rhinitis 25/28
Gastroesophageal reflux disease 7/28
Osteoporosis 2/28
Heart disease 2/28
Inhaled steroids (dose, range) 25/28(470 ± 341, 0-1200 mcg/day)
Long-acting bronchodilators 19/28
Leukotriene antagonist 13/28
ACT score 22.4 ± 3.2
Serum vitamin D (ng/ml) 24.3 ± 9.2
Serum calcium (mg/dl) 9.6 ± 0.3