Supplementary values

For some ePPOC data items, negative values are assigned to denote different types of non-response or missingness. These values are defined in the table below.

 

Value

Description

Value

Description

-2

The patient or pain management service did not enter a response for this item

-4

A response to this item was not required (i.e. the item was not applicable to that patient)

-5

This value is used for a range of specific situations where data are missing for reasons other than -2 or -4 above. For example, a questionnaire was created in epiCentre but the patient has not accessed the questionnaire link to respond, or a questionnaire has been created but not sent.

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