powertrials: creating pre-screening rules...example; stroke, haemorrhagic stroke, ischaemic stroke...
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PowerTrials: Creating Pre-Screening Rules
A Pre-Screening Rule compares the criteria set by ethics approved protocol inclusion/exclusion criteria against the patient database within the ieMR.
Pre-Screening Rules will only work with the codified data. Free text fields cannot be screened.
Filling Out the Data Collection Worksheet (DCW)
A Data Collection Worksheet (DCW) template is provided to build the Pre-Screening Rule.
Boolean Operators e.g, AND/OR can be used in the DCW, to combine or exclude as required.
1. Protocol Mnemonic column: Fill in theMnemonic for your study (there is a 40character limit to this field.
2. Inclusion/ Exclusion Criteria column: Valid valuesare Inclusion OR Exclusion.
3. Gender column: Valid values are Male ORFemale OR Indeterminate.
4. Indigenous Status column: will not be used.
5. Age Range column: state the age range youwould like to screen.
6. Diagnosis Code column: Valid values are thedisease code from ICD10 or code from SNOMEDCT. Each disease entry should be on a new line.
7. Problem column: this should be text thatdescribes the Diagnosis code
There may be multiple codes to describe a disease, please ensure to use multiple associated diagnosis to cover any possibility that has been recorded against the patient. For example; Stroke, Haemorrhagic stroke, ischaemic stroke are all possible recorded diagnoses for stroke.
8. Allergies column: List allergy codes for exclusionor inclusion if any.
9. Order column: Screen for orders that may berecorded against the patients chart using codefrom the Orders Catalogue.
10. Meds (Orderables) column: Screen for patients thathave used a particular medication eitherdocumented as a home med or ordered on aprevious encounter. Fill in the medication namefrom the Orders Catalogue.
11. Meds Information column: Optional parametrer ifyou wish to provide more information about htrenmeds you want to screen for (e.g, Dose, route).
12. Results column: Results you wish to screen(pathology, vitals signs etc)
13. Family History column: Same as Diagnisos code.
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