Fig. 3From: Effects of a dietary intervention with conjugated linoleic acid on immunological and metabolic parameters in children and adolescents with allergic asthma – a placebo-controlled pilot trialPeak expiratory flow (PEF) and symptom score. The PEF values (a) and allergy symptoms (b) were self-recorded every day by the participants throughout the study. Of all patient’s diaries, a total of 21 were filled in correctly. Symptom data of a total of 7 participants (5 of the placebo group) were incomplete and therefore not included. Means are defined by crossmarksBack to article page