options nodate nonumber ps=200 ls=80 formdlim=' ';

/* Example 5: Coronary Artery Disease - CMH test */
data ca;
      input gender $ ECG $ disease $ count; 
      datalines; 
   female <0.1  yes   4 
   female <0.1  no   11 
   female >=0.1 yes   8    
   female >=0.1 no   10 
   male   <0.1  yes   9 
   male   <0.1  no    9 
   male   >=0.1 yes  21 
   male   >=0.1 no    6 
   ;
   proc freq; 
      weight count; 
      tables gender*disease / nocol nopct chisq; 
      tables gender*ECG*disease / nocol nopct cmh chisq measures;  
   run;