Table 1 EMR fields that can be extracted or used as selection criteria by QTools.

• Patient number

• Patient name*

• Date of birth

• Sex*

• Age*

• Post code*

• Civil status

• Height and weight

• Profession

• Smoking, alcohol etc history

• Event date (contact, prescription etc)

• Diagnosis (ICPC)*

• Drug name*

• Drug code (ATC)*

• Laboratory test name*

• Laboratory test result

• Blood pressure

• Doctor*

Selection criteria

• All fields in the above list marked with a * can be used as selection criteria

• Event period (from... until...)

Operators that can be used with selection criteria

• Intervals (eg. 10 – 40)

• Greater than/less than (>, <)

• Comma-separated lists (eg. 12, 6, 89)

• Wild cards (eg. R4*)

• Include/Exclude matches