Br J Gen Pract 18 December 2017
- Data were collected on 17042 patients with a new diagnosis of cancer during 2014 from 439 practices. The median diagnostic interval for all patients was 40 days. Most patients were referred promptly. Where GPs deemed diagnostic delays to have occurred (22% of cases), patient, clinician, or system factors were responsible in 26%, 28%, and 34% of instances, respectively.