CI	Confidence interval
CRP	C-reactive protein
GINA	Global Initiative for Asthma
IQR	Interquartile range
OR	Odds ratio
PASS	Pediatric Asthma Severity Score
RT-PCR	Real-time polymerase chain reaction
RSV	Respiratory syncytial virus
RV	Rhinovirus
SPT	Skin prick test
WBC	White blood cell count