%macro contstats(ds=,var=);

proc means data = &ds.  completetypes nway chartype missing noprint  ;
class trt02p/missing mlf;
  var &var;
  output out = stats&var (drop=_type_ _freq_) n=n mean=Mean stddev=SD median=Median min=Min max=Max ;
run;

proc transpose data = stats&var out = stat_&var (drop=_label_);
id trt02p;
run;
%mend contstats;


%contstats(ds=adsl_,var=age);

output I got is
trt02p ,n , mean  , sd ,median  , min ,  max
10 mg	5	31.9	15.39	24.3	18.6	56	
20 mg	5	23.68	6.496	21.9	18.4	34.2	
40 mg	5	22.16	3.502	21.5	18.3	27.1	
80 mg	4	25.325	3.831	24.4	22	30.5

output I want is column var with value age before trt02p.