Table 2

Definitions of (im)plausible data used in data extraction programming

Requirement or responseDefinitions of acceptable responses
Real patientNot coded with a ‘demo’, ‘test’, ‘development’ or ‘training’ identity
Survey feedback questions responses1–2
Survey feedback questions—timing of responseNumber of days since protocol start within which response counted: Week 1=6, 7, 8 Month 1=29, 30, 31, 32 Month 2=59, 60, 61, 62 Month 3=89, 90, 91, 92
‘Active’ on a protocolResponse submitted to Florence in the last 21 days of the month Month 1=response on days 9–30 Month 2=response on days 39–60 Month 3=response on days 69–90