The presentation of statistics.

This article outlines the statistical requirements that authors should fulfill when submitting manuscripts to Pediatric Allergy and Immunology. The requirements are based on the 'Uniform Requirements for Manuscripts Submitted to Biomedical Journals' and the CONSORT statement. Common statistical flaws that routinely arise in the medical literature are described. The use of +/-, confidence intervals and P values, correlation and regression, multiple testing and repeated measures are discussed.