From: Airway cellularity, lipid laden macrophages and microbiology of gastric juice and airways in children with reflux oesophagitis
BAL culture
Group category
Negative (<104 cfu/ml)
Positive (≥104 cfu/ml)
p value
OR, 95% CI
G-
52
17
G+
67
14
0.27
0.64, 0.29–1.42