Table 4 Mean (SD) levels of serum CC-16 (ng/ml) in ATA and AIA before and after lysine-aspirin provocation
Pre-challenge30 min post2 h postDifference 30 minDifference 2 h
ATA12.7 (4.2)13.5 (5.1)12.4 (4.8)0.80 (2.4)−0.3 (3.1)
p = 0.42p = 0.8
AIA10.6 (4.9)12.0 (5.5)12.0 (5.3)1.4 (2.1)1.4 (3.2)
p = 0.079p = 0.22p = 0.6*p = 0.3*

  • *AIA vs ATA; other p values are within-group compared with pre-challenge.

  • AIA, aspirin-intolerant asthma; ATA, aspirin-tolerant asthma; CC-16, Clara cell protein-16.