Baseline characteristics and parameter measurements for premature AGA and SGA infants receiving an exclusive human milk-based diet
| AGA (n=33) | SGA (n=18) | P values | |
| Gender* | |||
| Male | 20 (60.6) | 10 (55.6) | 0.77 |
| Female | 13 (39.4) | 8 (44.4) | |
| Race* | |||
| White | 7 (21.1) | 8 (44.4) | 0.13 |
| Black | 12 (36.4) | 6 (33.3) | |
| Hispanic | 12 (36.4) | 2 (11.1) | |
| Asian | 2 (6.1) | 1 (5.6) | |
| Other | 0 (0) | 1 (5.6) | |
| Gestational age (week)† | 26.4±1.9 | 29.3±2.8 | <0.001‡ |
| Birth weight (g)† | 898.2±203.7 | 883.7±211.3 | 0.81 |
| Birth length (cm)† | 34.5±2.9 | 33.7±3.6 | 0.41 |
| Birth HC (cm)† | 23.9±1.9 | 24.9±2.1 | 0.07 |
| Discharge weight (g)† | 2850.3±783.7 | 2575±1011.9 | 0.04‡ |
| Discharge length (cm)† | 46.8±3.6 | 45.0±4.1 | 0.08 |
| Discharge HC (cm)† | 33.1±2.3 | 32.8±2.7 | 0.64 |
| Length of stay (days)† | 90.9±40.8 | 81.4±47.5 | 0.34 |
| PMA at discharge (week)† | 39.9±5.0 | 41.2±4.8 | 0.19 |
| Oxygen at week 36* | 12 (36.4) | 7 (38.9) | 0.86 |
| NEC, septic ileus and others* | 3 (9.1) | 0 | 0.19 |
| Rate of spontaneous intestinal perforation* | 1 (3) | 0 | 0.46 |
| Drains for perforation* | 1 (3) | 0 | 0.46 |
| Diet at discharge with breast milk* | 14 (42.4) | 13 (72.2) | 0.04‡ |
| Energy at visit 1 (kcal/day)† | 1314±417.1 | 1251±399.8 | 0.60 |
| Carbohydrate at visit 1 (g/day)† | 174.5±67.5 | 154.1±62.6 | 0.35 |
| Protein at visit 1 (g/day)† | 50.6±18.7 | 52.4±25.3 | 0.95 |
| Fat at visit 1 (g/day)† | 53.8±42.1 | 47.8±16.8 | 0.99 |
| Energy at visit 2 (kcal/day)† | 1332±301.9 | 1396±318.9 | 0.25 |
| Carbohydrate at visit 2 (g/day)† | 169.1±50.4 | 167.1±43.2 | 0.99 |
| Protein at visit 2 (g/day)† | 54.9±15.0 | 63.9±26.7 | 0.16 |
| Fat at visit 2 (g/day)† | 49.3±12.9 | 53.4±18.0 | 0.38 |
*n (%), χ2 test p values.
†Mean±SD, independent samples t-test p values.
‡Statistically significant difference.
AGA, appropriate for gestational age; HC, head circumference; NEC, necrotising enterocolitis; PMA, postmenstrual age; SGA, small for gestational age.