In Reply.—I thank Dr Tsanakas and Professor Karpouzas for their interest in the article by my colleagues and me.1 I was pleased to see that their experience with symptom scores and PEFR recordings is the same as ours. This observation that PEFR values recorded at home do not differ from those recorded under supervision is important and validates the use of PEFRs recorded at home.
I agree with Dr Tsanakas and Professor Karpouzas that symptom scores recorded on diary cards are of dubious value and should not be used as a basis for rational management decisions or for research purposes. The use of regular PEFR recordings gives one an objective
SLY PD. Use of Peak Expiratory Flow Rates in Treating Patients-Reply. Am J Dis Child. 1986;140(8):738. doi:10.1001/archpedi.1986.02140220020008