Table 2

Average proportion of false positives committed when detecting a significant disparity (two-tailed tests). Calculations are conducted for the six test statistics and four classes of increasing magnitude for the disparity. Numbers into parentheses give the percentage of simulations where the particular statistic yields the smallest proportion of false positives.


DispI
DispII
DispIII
DispIV
DispV
DispVI

Prostate






Magnitude 1
0.384 (21%)
0.408 (1%)
0.385 (32%)
0.405 (1%)
0.407 (0%)
0.382 (45%)
Magnitude 2
0.297 (28%)
0.330 (0%)
0.301 (25%)
0.327 (0%)
0.329 (0%)
0.297 (47%)
Magnitude 3
0.234 (33%)
0.272 (0%)
0.239 (22%)
0.269 (0%)
0.269 (0%)
0.234 (45%)
Magnitude 4
0.186 (40%)
0.225 (0%)
0.191 (19%)
0.222 (0%)
0.222 (0%)
0.186 (41%)
Lung






Magnitude 1
0.256 (48%)
0.277 (0%)
0.263 (6%)
0.279 (0%)
0.276 (0%)
0.257 (46%)
Magnitude 2
0.159 (55%)
0.182 (0%)
0.167 (4%)
0.185 (0%)
0.181 (0%)
0.160 (41%)
Magnitude 3
0.111 (57%)
0.135 (0%)
0.119 (4%)
0.137 (0%)
0.133 (0%)
0.113 (39%)
Magnitude 4
0.081 (56%)
0.105 (0%)
0.088 (4%)
0.106 (0%)
0.102 (0%)
0.083 (40%)

Goovaerts et al. International Journal of Health Geographics 2007 6:32   doi:10.1186/1476-072X-6-32

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