Letters

Use of daily symptom score not validated

BMJ 1995; 310 doi: https://doi.org/10.1136/bmj.310.6974.256c (Published 28 January 1995) Cite this as: BMJ 1995;310:256
  1. Andrew Vickers
  1. Director, information services Research Council for Complementary Medicine, London WC1N 3JF

    EDITOR,—The study of homoeopathy for recurrent upper tract infections has several flaws.1 My most serious criticism concerns the main outcome measure, the daily symptom score. No references are given to validate the use of this instrument. Moreover, because daily scores were averaged over a year the baseline differences between the groups cannot be assessed. If baseline symptom scores were initially lower in the treatment group this might well …

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