Table 5.

Description of tools assessed in the three impact studies

Study ID	Prediction tool	Country of tool development	Tool description
Hamilton and colleagues, 2013 [55]	RAT presented on a mouse mat and desk top flip chart (for lung and colorectal cancer)	UK	The RAT algorithm is displayed in a table/matrix format, which allows a risk estimate to be calculated for a single symptom, pairs of symptoms or repeat attendances with the same symptom. The values are colour-coded to aid interpretation.
Emery and colleagues, 2017 [56]	Education resource card containing the RAT and referral guidelines	UK (RAT), Australia (guidelines)	Resource card containing the RAT tables for colorectal, lung and prostate cancer, as well as the Australian National Breast and Ovarian Cancer Centre guidelines for investigating new breast symptoms
Price and colleagues 2019 [16]	RAT and/or QCancer in any form (e.g. paper, software etc.) for any cancer	UK	Any affirmative GP practice access to RAT and/or QCancer

Abbreviations: ID Identification, RAT(s) Risk assessment tool(s)