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Castor EDC
Castor EDC Calculations Manual
Category description:
A comprehensive manual for creating calculation fields in your Castor study.
Introduction to calculations: the basics
Introduction to calculation fields and syntax
Using the "if-else" logic
Forcing Castor to calculate with empty fields
Using the "for loop" in calculations
See all 7 articles »
General calculation templates
Calculating with checkbox fields
Calculate with grid fields
Validation or dependency on an empty field
Calculate the score from several variables
See all 12 articles »
Calculate (medical) scores
Calculate the BMI using height and weight
Calculate the eGFR with the MDRD formula
Calculate body surface area (BSA) using height and weight
Assign a score based on a percentage
See all 4 articles »
Calculations with date and time
Doing date (and time) calculations: the basics
Using if/else logic with dates
Check if a date is before another date and show an error if so
Show a message when the date is more than X days before today or in the future
See all 10 articles »
Date and time difference templates
Calculate the difference between two dates
Calculate time difference between two time fields
Calculate the age using a date variable
Calculate the age using a year (or year and month) variable
See all 6 articles »
Formatting dates
Convert date formats
Convert a date to CDISC format (dd/mmm/yyyy)
Check if entered date is in US format (mm/dd/yyyy)
Validating partial dates NK/MM/YYYY
See all 4 articles »