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. Author manuscript; available in PMC: 2008 Dec 1.
Published in final edited form as: J AAPOS. 2007 Oct 29;11(6):532–540. doi: 10.1016/j.jaapos.2007.09.005

Figure 3. Sensitivity and specificity of individual computer system parameters and linear combinations of parameters for plus disease diagnosis, compared to the reference standard of majority vote among 22 recognized ROP experts.

Figure 3

Curves are displayed as a function of parameter cutoff criteria for detection of plus disease: (A) arteriolar integrated curvature (IC), (B) arteriolar diameter, (C) arteriolar tortuosity index (TI), (D) venular IC, (E) venular diameter, (F) venular TI, (G) Linear Combination I (arteriolar IC, venular IC and venular diameter) and (H) Linear Combination II (arteriolar IC, arteriolar TI, venular IC, venular diameter, and venular TI).