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Biostatistics Design and Analysis

Cost structure for statistical analysis

Five Levels

Basic I

  • t-tests
  • Chisq-tests
  • Descriptive stats
  • Less than 5 variables to test against 2 groups
  • Clean data by our standards
  • Estimated time: 5hrs

Basic II

  • Includes Basic I
  • Up to 20 variables
  • ANOVA
  • Some categorical data
  • Classical designs
  • Regressions -- model building with variables given by investigator
  • Data modification
  • Estimated time: 20 hours

Intermediate I

  • Includes Basic II
  • Plus up to 30 variables
  • Complicated repeated measures ANOVA
  • Standard complex designs for categorical data
  • Extensive modeling - variables to be defined by statistical methods
  • A few multivariate techniques maybe necessary
  • Some data modofication
  • Estimated time: 45 hours

Advanced

  • Includes Intermediate I
  • Plus up to 50 variables
  • Complicated repeated measures ANOVA
  • Nonstandard designs
  • Nonstandard complex designs for categorical data - research required
  • Extensive modeling - variables to be defined by statistical methods
  • Multivariate techniques should be performed
  • Data modification
  • Write stats section - research required
  • Estimated time: 70-100 hours

Extensive Involvement

  • Involvement in the study over several years
  • Time and cost will be worked out with investigator

Download a table version of this chart in Acrobat format.