Table 1

 Responses to the suggested classifications

ClassificationSurvey 1Survey 2
Values are percentages of respondents favouring the classifications. Superscript numbers are reference numbers.
Chapel Hill criteria 1994925.5%18%
Classification of Fink 86 modified by Dillon 98127%27%
Classification of Lie (1986–1991)1011%
Modified Chapel Hill criteria for children36%54%
Total100%100%