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. 2019 May 31;98(22):e15791. doi: 10.1097/MD.0000000000015791

Figure 6.

Figure 6

Hierarchical summary receiver operating characteristic (HSROC) curve for using 3-point point-of-care ultrasound for the diagnosis of deep vein thrombosis. The summary point (red box) indicates that the summary sensitivity was 0.95 (95% CI: 0.75–0.99) and the summary specificity was 0.95 (95% CI: 0.85–0.98). The 95% confidence region represents the 95% CIs of summary sensitivity and specificity, and the 95% prediction region represents the 95% CI of sensitivity and specificity for each included study.