Figure 1From: Validation of a portable nitric oxide analyzer for screening in primary ciliary dyskinesias Box plots demonstrating nasal NO production (nL/min) measured by NIOX® Flex using a breath-hold manoeuver in healthy volunteers (n = 15), PCD (n = 11), CSLD (n = 6), CF (n = 6) and asthma (n = 9) (line: median, box: quartiles, whiskers: minimum and maximum. Back to article page