Mean (SEM) changes in bone mass in preterm infants
| Discharge | Term | 12 weeks | 6 months | 12 months | |
|---|---|---|---|---|---|
| Bone area (cm2) | |||||
| Boys1-150 | 203 (24) | 268 (51) | 403 (47) | 494 (62) | 641 (72) |
| Girls | 197 (23) | 250 (34) | 391 (43) | 479 (52) | 582 (70) |
| Bone mineral mass (g) | |||||
| Boys1-150 | 28 (4.7) | 44 (13) | 87 (19) | 129 (28) | 189 (33) |
| Girls | 27 (5.2) | 43 (14) | 82 (17) | 122 (23) | 171 (31) |
| Bone mineral density (g/cm2) | |||||
| Boys | 0.14 (0.01) | 0.17 (0.04) | 0.21 (0.02) | 0.25 (0.03) | 0.29 (0.03) |
| Girls | 0.13 (0.01) | 0.16 (0.02) | 0.21 (0.02) | 0.26 (0.03) | 0.29 (0.03) |
↵1-150 Boys > girls (p<0.01).