Given the magnitude of these disparities, we performed correlation analyses on Black and White subsets to determine whether the use of mammography in either Black or White women was correlated to advanced stage at initial diagnosis for either group. The Pearson correlation coefficient was -0.861 (p = 0.001, 95% CI -0.967 to -0.416) for Black women, but did not reach statistical significance for White women, which reflects the more homogeneous use patterns amongst White women throughout the state.
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