Children assessed at 30 months: growth parameters at birth, expected date of delivery (EDD), and 30 months of age expressed as mean (SD) standard deviation scores among 283 children born at 25 completed weeks gestation or less
| n | 23 weeks | 24 weeks | 25 weeks | Overall | F* | p Value | |
|---|---|---|---|---|---|---|---|
| *One way analysis of variance: mean SD score versus gestational age in weeks. | |||||||
| †SD score derived from EPICure population admitted for neonatal intensive care; data corrected for sex and plurality. | |||||||
| ‡Excludes those with severe neuromotor disability. | |||||||
| Weight | |||||||
| Birth† | 283 | 0.21 (0.89) | 0.29 (0.90) | 0.19 (1.00) | 0.22 (0.96) | 0.27 | 0.76 |
| Birth (UK standards) | 283 | 0.85 (1.05) | 0.41 (0.82) | 0.03 (0.79) | 0.22 (0.86) | 14.42 | <0.0001 |
| EDD | 244 | −1.85 (0.71) | −1.81 (0.97) | −1.66 (1.09) | −1.72 (1.03) | 0.73 | 0.49 |
| 30 months | 271 | −1.32 (1.16) | −1.31 (1.47) | −1.10 (1.26) | −1.19 (1.32) | 0.86 | 0.42 |
| Head circumference | |||||||
| Birth† | 191 | 0.19 (1.54) | 0.20 (1.24) | 0.03 (1.34) | 0.09 (1.33) | 0.37 | 0.69 |
| Birth (UK standards) | 191 | 0.68 (1.35) | 0.25 (1.00) | −0.11 (1.06) | 0.06 (1.09) | 5.04 | 0.007 |
| EDD | 236 | −1.22 (0.90) | −1.21 (1.31) | −0.62 (1.55) | −0.86 (1.46) | 4.86 | 0.009 |
| 30 months | 278 | −2.16 (1.70) | −1.76 (1.49) | −1.36 (1.42) | −1.56 (1.49) | 4.52 | 0.01 |
| 30 months‡ | 250 | −1.91 (1.39) | −1.57 (1.37) | −1.23 (1.34) | −1.40 (1.37) | 3.51 | 0.03 |
| Length | |||||||
| EDD | 73 | −2.41 (1.08) | −2.85 (1.38) | −2.31 (1.51) | −2.49 (1.44) | 1.07 | 0.35 |
| 30 months | 258 | −0.65 (0.75) | −0.92 (1.27) | −0.59 (1.20) | −0.70 (1.19) | 2.21 | 0.11 |
| Body mass index | |||||||
| 30 months | 253 | −1.30 (1.32) | −0.96 (1.45) | −0.97 (1.36) | −1.00 (1.38) | 0.62 | 0.54 |
| Mid-upper arm circumference | |||||||
| 30 months | 278 | −0.49 (1.03) | −0.8 (0.99) | −0.77 (0.91) | −0.75 (0.95) | 1.11 | 0.33 |