Here is a page with some examples of CRF's and here is another one with our top 5 pages of this section.

We put some pages together to show you how easy it is to use LibreClinica.

Use the following links for a description of the basic functionality of LibreClinica and some more advanced topics:

Events/Visits

• create a new Event Definition
• assign a CRF to a study

CRF's

• create a new CRF
• create a new version of an existing CRF
• transfer existing data to a a new version of a CRF
• one version of a CRF for one site, another version for another site
• using Tip to display instructions
• a CRF with a file
• a CRF with an image
• 3 methods to create a time field
• the number of minutes between two time fields
• the number of days between two date fields
• getExternalValue, postMessage and controlled vocabularies
• changing the layout of a CRF
• aligning two columns
• getting rid of the yellow comment-fields in the XL-sheet
• showing or hiding items on a CRF, based on the input of another item (SimpleConditionalDisplay)
• showing or hiding items on a CRF using a rule
• setting defaults for repeating items using the insert-action
• displaying the number of characters left
• a visual analogue scale or VAS
• a warning in a CRF
• a link to the ICD10 site in a CRF
• de-selecting a radio-button
• a regular expression for the StudySubjectID
• the Event-date in your CRF
• using items from other Events
• an automatic row-number in a repeating-item-group

Conducting a study

• A practical introduction into Users and Roles
• Assigning users to sites: why and how

Rules

• General

• finding OID's for creating a rule
• a script for scheduling a rule

• DiscrepancyNoteAction

• a simple rule with two items
• the ct-operator for a rule with a multi-option-item

• EMailAction

• using a rule to send a mail

• ShowAction

• showing or hiding items on a CRF using a rule
• showing a RepeatingItemsGroup

• InsertAction

• setting defaults for repeating items using the insertaction

Other

• getting the data into SPSS
• checkboxes and multi-selects in SPSS
• getting the data into SAS
• a self-signed certificate for tomcat
• testing OpenClinica 3.12
• properties-files, i18n and translating
• backup and restore of OpenClinca
• restarting a completely stuck tomcat
• setting up a test environment
• running both tomcat 6 and 7
• create a technical administrator, or a root-alike
• some Postgres-commands that can come in handy
• SchemaSpy: a graphical representation of the database
• datalisting, or making a paper printout of your data (MsAccess)
• two manuals for your end-users, if you're short of time
• workshop java-script

Web-services

• get those services running
• using web-services to add subjects and schedule events
• using web-services to test the capacity of OpenClinica

A lot of the information here was also submitted to the WikiBook OpenClinica User Manual.