Table 1 Data types and their strengths and weaknesses

Data on recruitment by hospital Trusts and primary care aggregated into CCGs

Comprehensive

Approximate

Higher

All CRN recruitment data included

Recruitment from hospital trusts attributed to CCG based on location

Data available across 195 CCGs

Hospital trust and primary care recruitment data matched to LCRNs

Comprehensive

Accurate

Lower

All CRN recruitment data included

Data aggregated to 15 LCRNs

Data on recruitment by primary care aggregated into CCGs

Partial

Accurate

Higher

All primary care data, but around 20% of CRN recruitment data included

Data available across 195 CCGs