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HSAUR3 (version 1.0-5)

toothpaste: Toothpaste Data

Description

Meta-analysis of studies comparing two different toothpastes.

Usage

data("toothpaste")

Arguments

Format

A data frame with 9 observations on the following 7 variables.
Study
the identifier of the study.
nA
number of subjects using toothpaste A.
meanA
mean DMFS index of subjects using toothpaste A.
sdA
standard deviation of DMFS index of subjects using toothpaste A.
nB
number of subjects using toothpaste B.
meanB
mean DMFS index of subjects using toothpaste B.
sdB
standard deviation of DMFS index of subjects using toothpaste B.

Source

B. S. Everitt and A. Pickles (2000), Statistical Aspects of the Design and Analysis of Clinical Trials, Imperial College Press, London.

Details

The data are the results of nine randomised trials comparing two different toothpastes for the prevention of caries development. The outcomes in each trial was the change, from baseline, in the decayed, missing (due to caries) and filled surface dental index (DMFS).

Examples

Run this code

  data("toothpaste", package = "HSAUR3")
  toothpaste

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