A composite of exhaled LTB4 , LXA4 , FeNO, and FEV1 as an "asthma classification ratio" characterizes childhood asthma.
Li-Chen ChenH-M TsengM-L KuoChih-Yung ChiuS-L LiaoK-W SuM-H TsaiM-C HuaS-H LaiT-C YaoK-W YehA-H WuJ-L HuangS-K HuangPublished in: Allergy (2017)
In a pediatric study population in Taiwan, the levels of exhaled LTB4 , LTE4 , LXA4, and PGE2 in asthmatic children were significantly different from those of healthy controls, and the combination of exhaled LTB4 and LXA4 , together with FeNO and FEV1 , best characterized childhood asthma.