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. 2013 Jan 8;62(12):1704–1713. doi: 10.1136/gutjnl-2012-303965

Figure 4.

Figure 4

Hierarchical summary receiver-operating characteristic (HSROC) curve for the diagnostic performance of narrow band imaging to diagnose diminutive polyps (blue line) and diminutive polyps that were diagnosed with high confidence (green line). For high-confidence predictions of diminutive polyps, area under the HSROC curve was 0.94 (95% CI 0.92 to 0.96).