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Table 1 Subject Characteristics

From: Reduced rhinovirus-specific antibodies are associated with acute exacerbations of chronic obstructive pulmonary disease requiring hospitalisation

  Stable COPD Patients n = 28 Exacerbation-prone COPD Patients n = 32 p value
Age, 69.8 69.6 0.917
median (IQ range) (62.9 – 73.4) (62.8 – 74.2)  
Male, n (%) 15 (54) 21 (66) 0.431
Smoker current, n (%) 8 (26) 9 (28) 1.00
Smoking pack years, median (IQ range) 53 (37–72) 45 (35 – 72) 0.721
FEV1 % predicted, median (IQ range) 46 (35 – 60) 31 (21 – 45) 0.001
Inhaled steroids, n (%) 19 (68) 26 (81) 0.251
Number of hospitalisations, median (IQ range) 0 2 (1 – 4.5)