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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Acad Radiol. 2012 Dec;19(12):1508–1517. doi: 10.1016/j.acra.2012.09.012

Figure 2.

Figure 2

Coverage of 95% Confidence Intervals of three methods: marginal mean ANOVA test statistic (circles), modified OR test statistic (squares), and three-sample U-statistic (diamonds).