PPV by Cutoff Percentile: African Americans
Cutpoint Percentile PPV
50th 0.07
60th 0.09
70th 0.12
80th 0.18
90th 0.26
95th 0.31





PPV by Cutoff Percentile: European Americans
Cutpoint Percentile PPV
50th 0.06
60th 0.06
70th 0.09
80th 0.10
90th 0.15
95th 0.22






Supplemental Figures




Prevelance Table

Race Prevalence
EA 0.041
AA 0.036

Getting CI’s for Accuracy Stats


Race Cutoff Percentile Sensitivity Specificity PPV NPV
BA 50th 0.88 (0.52 - 1) 0.54 (0.47 - 0.59) 0.07 (0.06 - 0.1) 0.99 (0.93 - 1)
75th 0.88 (0.52 - 1) 0.79 (0.78 - 0.79) 0.15 (0.12 - 0.19) 0.99 (0.95 - 1)
90th 0.6 (0.4 - 0.76) 0.92 (0.92 - 0.93) 0.26 (0.21 - 0.3) 0.98 (0.96 - 0.99)
95th 0.37 (0.24 - 0.48) 0.97 (0.96 - 0.97) 0.31 (0.24 - 0.38) 0.97 (0.95 - 0.98)
WA 50th 0.86 (0.47 - 1) 0.51 (0.45 - 0.57) 0.06 (0.04 - 0.11) 0.99 (0.94 - 1)
75th 0.58 (0.31 - 0.85) 0.76 (0.75 - 0.77) 0.08 (0.06 - 0.12) 0.98 (0.93 - 0.99)
90th 0.42 (0.23 - 0.67) 0.91 (0.91 - 0.91) 0.15 (0.12 - 0.19) 0.98 (0.94 - 0.99)
95th 0.29 (0.16 - 0.47) 0.96 (0.96 - 0.96) 0.22 (0.15 - 0.28) 0.97 (0.94 - 0.99)


Creating a table using “Stratum_Prop_Sampled”







AUC Table


Overall accuracy for AA


##      Cutoff_Score Overall Accuracy BCa.LCL.95.Pct BCa.UCL.95.Pct N.Bootstraps
## [1,]  -0.51596039        0.5498882      0.4884380      0.6023496         2000
## [2,]  -0.25585730        0.7896718      0.7685065      0.7991766         2000
## [3,]   0.08100829        0.9116339      0.8922207      0.9210211         2000
## [4,]   0.35212374        0.9409952      0.9215347      0.9501291         2000

Overall accuracy for EA


##      Cutoff_Score Overall Accuracy BCa.LCL.95.Pct BCa.UCL.95.Pct N.Bootstraps
## [1,]  -0.49401581        0.5235358      0.4639324      0.5785156         2000
## [2,]  -0.25656959        0.7546190      0.7269963      0.7685454         2000
## [3,]   0.05517898        0.8937326      0.8658949      0.9071826         2000
## [4,]   0.29953094        0.9354909      0.9074977      0.9487985         2000