Histamine (ng/ml) (A), LTC
(ng/ml) (B) and PGD
(ng/ml) (C) release after 30 minutes anti-IgE (10 μg/ml and 30 μg/ml) stimulation. Comparison between nasal polyps (n = 8) and inferior turbinates (n = 8) after correction for baseline. The box-and-whisker plot represents the median, the lower to upper quartile, and the minimum to the maximum value, excluding outside and far out values, which are displayed as separate points. Statistical analyses were performed by using the Mann-Whitney U test. * p ≤ 0.05, ** p ≤ 0.001. [Black line] = inferior turbinates, [Dashed line] = nasal polyps.