Age groups (in years) | N (%) | P (%) | K (%) | Mg (%) |
>0 - 4 >4 - 8 >8 - 15 | 3.46 (2.40) 3.18 (2.69) 3.03 (2.97) | 0.26 (0.08) 0.21 (0.11) 0.20 (0.14) | 1.16 (0.78) 0.70 (1.16) 0.69 (1.53) | 0.30 (0.25) 0.41 (0.62) 0.30 (0.98) |