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Table 1 Texas counties detected with excess breast cancer mortality with statistical significance 1990–2001.

From: Evaluating the disparity of female breast cancer mortality among racial groups - a spatiotemporal analysis

Potential Excess mortality Annual Age-adjusted rates (per 100,000) Year Observed deaths Expected deaths Relative Risk (RR) of excess mortality P Values Total counties
Most Likely Cluster for non-Hispanic Whites (90% study period and 50%population at risk) 35.0 1990 – 1996 4088 3623 1.12 0.001 42
Secondary Cluster for non-Hispanic Whites 34.8 1990 – 1993 2240 1995 1.12 0.001 41
Primary Cluster for Hispanic White 29.0 1990 – 1998 1436 1212 1.18 0.001 127
Primary Cluster for Blacks (note: not statistically significant) 34.1 1991 – 1996 791 682 1.15 0.129 15