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        | Download Data Files — Codebook |  
 
        
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            | MEPS HC-172 |  
            | PANEL 18 LONGITUDINAL DATA CODEBOOK |  
            | DATE:  October 23, 2017 |  
 
          
            | Variable Name: | EMPHAGY2 |  
            | Description: | AGE OF DIAGNOSIS-EMPHYSEMA 14 |  
            | Format: | 2.0 |  
            | Type: | NUM |  
            | Start: | 577 |  
            | End: | 578 |  
 
        
          
            |  |  |  |  
            | -9 NOT ASCERTAINED |              1 |         52,911 |  
            | -8 DK |              5 |        144,764 |  
            | -7 REFUSED |              1 |         28,556 |  
            | -1 INAPPLICABLE |         16,472 |    315,859,119 |  
            | 0 - 85 AGE AT DIAGNOSIS |            235 |      5,524,276 |  
            | TOTAL |         16,714 |    321,609,625 |  
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