The comparison of z-scores of weight, height and head circumference before and after starting high energy formula at the beginning and 1st, 2nd and 3rd month
| INFANTS | BEGINNING | 1st MONTH | 2nd MONTH | 3rd MONTH | p |
| Weight z-score | -3.733 (4.635–1.338) | -3.405 (4.524–1.576) | -2.985 (4.615–0.880) | -2.793 (2.793–0.461) | 0.019 |
| Height z-score | -1.897 (5.116–1.164) | -1.824 (3.821–0.973) | -1.429 (2.861–0.053) | -1.339 (3.423–0.187) | <0.0001 |
| Head circumference z-score | -2.716 (5.820–0.246) | -2.282 (5.456–0.071) | -1.713 (4.819–0.731) | -2.125 (4.005–0.045) | 0.001 |