| | | | |  
| | | | | |  
| | | | | | HEJIBRK  
| | | | | |  
| | | | | | Was the right knee replacement because of arthritis, a fracture, to replace  
| | | | | | a previous artificial knee, or for some other reason?  
| | | | | |  
| | | | | |  
| | | | | | INTERVIEWER: Enter the main reason.  
| | | | | | 1 Arthritis  
| | | | | | 2 Fracture  
| | | | | | 3 Replacement of a previous artificial knee,  
| | | | | | 95 Other reason?  
| | | | | |  
| | | | | END FILTER  
| | | | |  
| | | | |  
| | | | | |  
| | | | | | HEJIBLK  
| | | | | |  
| | | | | | Was the left knee replacement because of arthritis, a fracture, to replace a  
| | | | | | previous artificial knee, or for some other reason?  
| | | | | |  
| | | | | |  
| | | | | | INTERVIEWER: Enter the main reason.  
| | | | | | 1 Arthritis  
| | | | | | 2 Fracture  
| | | | | | 3 Replacement of a previous artificial knee,  
| | | | | | 95 Other reason?  
| | | | | |  
| | | | | END FILTER  
| | | | |  
| | | | END FILTER  
| | | |  
| | | END FILTER