| 
      +USDA Dietary Reference Intake
        | Subject | Gender | Age | Sodium Intake (gm) | DRI Sodium (gm)+ | Difference (gm) | Std Dev |  
        | 1001 | M | 9 | 3.9 | 1.5 | 2.4 | 1.70 |  
        | 1002 | F | 6 | 2.5 | 1.2 | 1.3 | 0.92 |  
        | 1003 | F | 7 | 1.1 | 1.2 | -    0.1 | 0.07 |  
        | 1004 | F | 17 | 1.3 | 1.5 | -    0.2 | 0.14 |  
        | 1005 | M | 13 | 1.9 | 1.5 | 0.4 | 0.28 |  
        | 1006 | F | 12 | 3.3 | 1.5 | 1.8 | 1.27 |  
        | 1007 | F | 10 | 3.3 | 1.5 | 1.8 | 1.27 |  
        | 1008 | M | 13 | 2.3 | 1.5 | 0.8 | 0.57 |  
        | 1009 | F | 17 | 1.9 | 1.5 | 0.4 | 0.28 |  
        | 1010 | F | 9 | 2.4 | 1.2 | 1.2 | 0.85 |  |