Example Program and Statement Details

proc template;
  define statgraph stepplot;
    begingraph;
      entrytitle "Kaplan-Meier Survival Plot";
      layout overlay /
        yaxisopts=(linearopts=(viewmin=0 viewmax=1));
        stepplot x=Time y=Survival /
          group=Stratum name="step";
        scatterplot x=Time y=Censored /  name="scat"
          legendlabel="Censored" markerattrs=(symbol=plus);
        discretelegend "step" / location=inside
          halign=right valign=top across=1;
        discretelegend "scat" /
          location=inside halign=center valign=top;
       endlayout;
    endgraph;
  end;
run;

data Study;
input Group : $10. Time Status @@;
label Time="Time (Days)";
datalines;

 ... [datalines shown below]

run;

ods graphics;
ods exclude all;
ods output survivalplot=plotdata;
proc lifetest data=Study plots=(survival);
   time Time * Status(0);
   survival;
   strata Group;
run;
ods select all;

proc sgrender data=plotdata template=stepplot;
run;

Low-Risk  2569 0 Low-Risk  2506 0 Low-Risk  2409 0
Low-Risk  2218 0 Low-Risk  1857 0 Low-Risk  1829 0
Low-Risk  1562 0 Low-Risk  1470 0 Low-Risk  1363 0
Low-Risk  1030 0 Low-Risk   860 0 Low-Risk  1258 0
Low-Risk  2246 0 Low-Risk  1870 0 Low-Risk  1799 0
Low-Risk  1709 0 Low-Risk  1674 0 Low-Risk  1568 0
Low-Risk  1527 0 Low-Risk  1324 0 Low-Risk   957 0
Low-Risk   932 0 Low-Risk   847 0 Low-Risk   848 0
Low-Risk  1850 0 Low-Risk  1843 0 Low-Risk  1535 0
Low-Risk  1447 0 Low-Risk  1384 0 Low-Risk   414 1
Low-Risk  2204 1 Low-Risk  1063 1 Low-Risk   481 1
Low-Risk   105 1 Low-Risk   641 1 Low-Risk   390 1
Low-Risk   288 1 Low-Risk   421 1 Low-Risk    79 1
Low-Risk   748 1 Low-Risk   486 1 Low-Risk    48 1
Low-Risk   272 1 Low-Risk  1074 1 Low-Risk   381 1
Low-Risk    10 1 Low-Risk    53 1 Low-Risk    80 1
Low-Risk    35 1 Low-Risk   248 1 Low-Risk   704 1
Low-Risk   211 1 Low-Risk   219 1 Low-Risk   606 1
High-Risk 2640 0 High-Risk 2430 0 High-Risk 2252 0
High-Risk 2140 0 High-Risk 2133 0 High-Risk 1238 0
High-Risk 1631 0 High-Risk 2024 0 High-Risk 1345 0
High-Risk 1136 0 High-Risk  845 0 High-Risk  422 1
High-Risk  162 1 High-Risk   84 1 High-Risk  100 1
High-Risk    2 1 High-Risk   47 1 High-Risk  242 1
High-Risk  456 1 High-Risk  268 1 High-Risk  318 1
High-Risk   32 1 High-Risk  467 1 High-Risk   47 1
High-Risk  390 1 High-Risk  183 1 High-Risk  105 1
High-Risk  115 1 High-Risk  164 1 High-Risk   93 1
High-Risk  120 1 High-Risk   80 1 High-Risk  677 1
High-Risk   64 1 High-Risk  168 1 High-Risk   74 1
High-Risk   16 1 High-Risk  157 1 High-Risk  625 1
High-Risk   48 1 High-Risk  273 1 High-Risk   63 1
High-Risk   76 1 High-Risk  113 1 High-Risk  363 1