FILENAME goptions URL "http://192.38.117.59/~linearpredictors/datafiles/goptions.sas";
%include goptions;
    
FILENAME url URL "http://192.38.117.59/~linearpredictors/datafiles/readFever.sas";
%INCLUDE url;

PROC FORMAT;
    VALUE episodelabels
        0 = "No"
        1 = "Yes";
RUN;

PROC FORMAT;
    VALUE reverseorder
        0 = "2:No"
        1 = "1:Yes";
RUN;

data fever;
set fever; 

if death<0 then delete;

fever_episodes=(episodes>0);
RUN;

title 'Natural ordering, OR and Somer C|R as in table, ratio reversed';
PROC FREQ DATA=fever ORDER=FORMATTED;
    TABLES fever_episodes*death / nopercent nocol measures;
    FORMAT death deathlabels. ;
    FORMAT fever_episodes episodelabels. ;
RUN;

title 'Alternative formmated order yields the desired ratio';
PROC FREQ DATA=fever ORDER=FORMATTED;
    TABLES fever_episodes*death / nopercent nocol measures;
    FORMAT death deathlabels. ;
    FORMAT fever_episodes reverseorder. ;
RUN;