Upper age limits of 12 and 24 months differentiated ... asthma (rhinovirus-associated disease) within a group of children suspected of having bronchiolitis. Inclusion of asthma-prone children ...

The symptoms of bronchiolitis can differ from bronchitis both in how the infection affects the respiratory system and based on the age groups in which the infections are found. Since bronchiolitis ...

The association between early childhood serum 25-hydroxyvitamin D (25(OH)D) and eosinophilic asthma remains unclear. We ...

Χ 2 test or Fisher exact test (when counts <5) were used for dichotomous data. Univariate associations between age and dichotomous dependent variables were studied using simple logistic regression.