Confidence limits based on the first occurrence of an event

Varghese T. George, Robert C. Elston

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

Confidence limits for population prevalence based on the first occurrence of an item in a medical database, or for incidence based on time to first occurrence, should be based on the geometric or exponential distributions, respectively. These intervals are presented and compared with the corresponding intervals based on the binomial and Poisson distributions. The lower confidence limits are shown to be the same, but the upper limits are smaller, hence leading to shorter intervals. Applications of these intervals are also presented.

Original languageEnglish (US)
Pages (from-to)685-690
Number of pages6
JournalStatistics in Medicine
Volume12
Issue number7
DOIs
StatePublished - Apr 15 1993
Externally publishedYes

ASJC Scopus subject areas

  • Epidemiology
  • Statistics and Probability

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