treatment sex age duration pain
    P  F  68   1  No   
    P  M  66  26  Yes  
    A  F  71  12  No   
    A  M  71  17  Yes  
    B  F  66  12  No   
    A  F  64  17  No   
    P  M  70   1  Yes  
    A  F  64  30  No   
    B  F  78   1  No   
    B  M  75  30  Yes  
    A  M  70  12  No   
    B  M  70   1  No   
    P  M  78  12  Yes  
    P  M  66   4  Yes  
    A  M  78  15  Yes  
    P  F  72  27  No   
    B  F  65   7  No   
    P  M  67  17  Yes  
    P  F  67   1  Yes  
    A  F  74   1  No   
B  M  74  16  No  
B  F  67  28  No  
B  F  72  50  No  
A  F  63  27  No  
A  M  62  42  No  
P  M  74   4  No  
B  M  66  19  No  
A  M  70  28  No  
P  M  83   1  Yes 
P  M  77  29  Yes 
A  F  69  12  No  
B  M  67  23  No  
B  M  77   1  Yes 
P  F  65  29  No  
B  M  75  21  Yes 
P  F  70  13  Yes 
P  F  68  27  Yes 
B  M  70  22  No  
A  M  67  10  No  
B  M  80  21  Yes 
P  F  67  30  No  
B  F  77  16  No  
B  F  76   9  Yes 
A  F  69  18  Yes 
P  F  64   1  Yes 
A  F  72  25  No  
B  M  59  29  No  
A  M  69   1  No  
B  F  69  42  No  
P  F  79  20  Yes 
B  F  65  14  No  
A  M  76  25  Yes 
B  F  69  24  No  
P  M  60  26  Yes 
A  F  67  11  No  
A  M  75   6  Yes 
P  M  68  11  Yes 
A  M  65  15  No  
P  F  72  11  Yes 
A  F  69   3  No