This simple macro below gives you the figures using the formula in Hanley JA, McNeil BJ. The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology. 1982 Apr;143(1):29-36. N=302 %macro power_auc(a=, k=, j=, out=); data a; call streaminit(11); do i=1 to 1; AUC=&a.; Q1=(AUC / (2 - AUC)); Q2=(2*AUC**2)/(1+AUC); N1=&k.; N2=&j.; SE=sqrt(((AUC*(1-AUC))+(N1-1)*(Q1 - AUC**2)+(N2-1)*(Q2-AUC**2))/(N1*N2)); output; end; proc print; run; %mend; %power_auc(a=.8, j=151, k=151, out=a8_n302);
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