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Fig. 3 | BMC Gastroenterology

Fig. 3

From: Risk prediction models for colorectal cancer in people with symptoms: a systematic review

Fig. 3

Area Under the Receiver Operating Characteristic curve of risk prediction models. indicates performance in a development population, black diamond in bootstrap resampling, ■ in an internal validation, and black triangle in an external validation (referenced). Point colours correspond to study design; red represents case-control, green cross-sectional and yellow cohort studies. CRC– colorectal cancer. WNS – weighted numerical score

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