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Figure 7 | BMC Gastroenterology

Figure 7

From: Most bowel cancer symptoms do not indicate colorectal cancer and polyps: a systematic review

Figure 7

Diarrhoea: SROC for cancer. SROC = Summary ROC. crc = colorectal cancer. The horizontal and vertical dimensions of the each ellipse are proportional to the square root of the number of non-diseased and diseased respectively. + shows the expected sensitivity and 1-specificity for the curve. The diagonal line joining (0,0) and (1,1) represents an ROC of no diagnostic value.

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