Characteristics of the group of infants receiving erythropoietin (Epo) and the control group
| Control | Epo | p Value | |
|---|---|---|---|
| Results shown are mean (SD) or median (interquartile range). | |||
| Number of infants | 21 | 22 | |
| Birth weight (g) | 972 (239) | 956 (245) | 0.92 |
| Gestation (weeks) | 27 (26–28) | 26 (26–28) | 0.59 |
| Male: female | 14/7 | 13/9 | 0.75 |
| Prestudy blood loss (ml) | 7.3 (5.8) | 7.2 (3.8) | 0.90 |
| Birth haemoglobin (g/l) | 157 (135–170) | 145 (127–160) | 0.79 |
| Entry haemoglobin (g/l) | 114 (108–141) | 136 (109–145) | 0.31 |
| Entry reticulocytes (×109/l) | 141 (83–260) | 162 (63–272) | 0.89 |