Table 2.
Body weights, and changes in body weights (total weight gain, g/day), in Nigerian late preterm infants who were either breastmilk or preterm formula-fed.
| Parameter | Formula N = 17 | Breastmilk N = 24 | P value (between groups)b |
|---|---|---|---|
| Body weight at 2 weeks of age (g) | |||
| All | 1668.0 ± 283.8 | 1730.0 ± 227.3 | 0.463 |
| Boysa | 1561.2 ± 247.8 | 1833.8 ± 242.0 | 0.043 |
| Girlsa | 1763.3 ± 292.8 | 1678.1 ± 208.0 | 0.455 |
| Within the groupb, p = | 0.148 | 0.116 | |
| Body weight at 10 weeks of age (g) | |||
| All | 3972.9 ± 479.1 | 3681.3 ± 552.4 | 0.080 |
| Boysa | 3802.5 ± 432.7 | 3978.8 ± 488.5 | 0.458 |
| Girlsa | 4124.4 ± 490.3 | 3532.5 ± 534.5 | 0.012 |
| Within the groupb, p = | 0.174 | 0.060 | |
| Weight gain (g) from 2 to 10 weeks of age | |||
| All | 2307.7 ± 305.2 | 1951.3 ± 431.9 | 0.004 |
| Boysa | 2241.3 ± 266.4 | 2145.0 ± 382.6 | 0.570 |
| Girlsa | 2361.1 ± 341.4 | 1854.0 ± 433.2 | 0.004 |
| Within the groupb, p = | 0.437 | 0.122 | |
| % Weight gain (g) from 2 to 10 weeks of age | 138% | 113% | |
| Growth in g/day | |||
| All | 41.2 ± 5.5 | 34.8 ± 7.7 | 0.004 |
| Boysa | 40.0 ± 4.8 | 38.3 ± 6.8 | 0.570 |
| Girlsa | 42.2 ± 6.1 | 33.1 ± 7.7 | 0.004 |
| Within the groupb, p = | 0.437 | 0.122 | |
aData are mean ± SD. In the formula group 8 boys and 9 girls participated, whereas for the breastmilk these figures are 8 and 17, respectively.
bIndependent Samples T-test.