Appending data

Proc Print Data=app.FGCIFtable_&yvar._&coh noobs label;
   Var timelist / style(data)={just=center};
   Var CIF      / style(data)={font_weight=bold just=center};
   Var CIF_LCL  / style(data)={font_weight=light font_style=italics just=right};
   Var CIF_UCL  / style(data)={font_weight=light font_style=italics just=left} style(header)={just=left};
   label timelist="Year";
   label CIF_LCL ="95%";
   label CIF_UCL ="CI";
   format CIF: percent9.1;
run;

Proc Tabulate Data=Results ;
   Where CRmodel=:"Fine";
   Class TVmodel HRtype link Contrast;
   Class blank five;
   Var estimate1 estimate / style={fontweight=bold};
   Var LowerLimit1 LowerLimit / style={textalign=right} ;
   Var UpperLimit1 UpperLimit / style={textalign=left};
   Var pvalue_noTV pvalue_Const pvalue_TV;
   Table link=""*Contrast="", five=""*(Estimate1="HR"*{style={font_weight=bold fontsize=8pt}}*sum="" 
                                    LowerLimit1="95%"*{style={font_style=italic fontsize=7pt just=right}}*sum=""
                                    UpperLimit1="CI"*{style={font_style=italic fontsize=7pt just=left}}*sum="")
                                    pvalue_noTV="Omnibus p-value"*sum=""
                               blank=""*{style={background=grey}}*n=""*f=ohno.
                              (HRtype="Time-Varying Hazard Ratio Model"*(Estimate="HR"*{style={font_weight=bold fontsize=8pt}} LowerLimit="95%"*{style={font_style=italic fontsize=7pt}} UpperLimit="CI"*{style={font_style=italic fontsize=7pt}})*sum="" pvalue_TV="Time-varying p-value"*sum="" pvalue_Const="Omnibus p-value"*sum="" )
         / nocellmerge misstext=' ';
   format HRtype tvyr.;
   format pvalue_: mypval.;
run;

*Proc Append only has to read the second dataset*;
*compared to Set*;

Proc Append Base=A Data=b;
run;