Table IV.
Demographics for post cardiopulmonary exercise testing assessment
| Preterm born (all) n = 123 | Preterm born fetal growth restriction n = 21 | Preterm born AGA n = 102 | Term born n = 54 | |
|---|---|---|---|---|
| Current Status | ||||
| Sex (male), n(%) | 60 (48.8) | 6 (28.6)∗ | 54 (52.9) | 25 (46.3) |
| Ethnicity (white), n(%) | 115 (93) | 19 (90.5) | 96 (94.1) | 53 (98) |
| Age at testing (y), mean (SD) | 11.1 (1.2)## | 11.0 (1.3) | 11.1 (1.3)‡ | 10.5 (1.1) |
| Height (cm), mean (SD) | 146.1 (10.4) | 142.0 (12.1) | 146.9 (9.9) | 144.5 (9.8) |
| Height (z-score), mean (SD) | 0.3 (1.0) | −0.32 (1.06)∗†† | 0.38 (0.94) | 0.51 (1.02) |
| Weight (kg), mean (SD) | 39.8 (10.8) | 36.2 (10.9) | 40.6 (10.7) | 39.0 (11.1) |
| Weight (z-score), mean (SD) | 0.3 (1.1) | −0.21 (1.30)∗† | 0.45 (1.08) | 0.6 (1.0) |
| Mass index (z-score), mean (SD) | 0.22 (1.31) | −0.13 (1.50) | 0.30 (1.26) | 0.42 (1.11) |
| FMI (kg/m2), mean (SD) | 4.1 (2.2) | 4.01 (2.04) | 4.11 (2.30) | 4.06 (2.26) |
| Fat free mass index (kg/m2), mean (SD) | 14.3 (1.6) | 13.67 (1.65) | 14.45 (1.56) | 14.40 (1.36) |
| Neonatal history | ||||
| Gestational age (wk), mean (SD) | 30.5 (2.8)### | 29.67 (2.33)††† | 30.65 (2.89)‡‡‡ | 40.00 (1.15) |
| Birthweight (g), mean (SD) | 1593 (576)### | 987 (333.0)∗∗∗††† | 1718 (535.4)‡‡‡ | 3537 (484.8) |
| Birthweight (z-score), mean (SD) | 0.1 (1.3) | −1.83 (0.69)∗∗∗††† | 0.50 (0.98)‡ | 0.12 (0.89) |
| Antenatal smoking, n(%) | 12 (10) | 3 (14.3)† | 9 (8.8) | 1 (2.0) |
| Chronic lung disease of prematurity, n (%) | 34 (28)### | 5 (23.8)††† | 29 (28.4)‡‡‡ | 0 (0) |
| Patent ductus arteriosus, n (%) | 11 (9)# | 2 (9.5)† | 9 (8.8)‡‡ | 0 (0) |
| Necrotizing enterocolitis, n (%) | 7 (6) | 1 (4.8) | 6 (5.9) | 0 (0) |
| Retinopathy of prematurity, n (%) | 8 (7) | 1 (4.8) | 7 (6.9)‡ | 0 (0) |
| Intraventricular haemorrhage, n (%) | 16 (13)## | 2 (9.5)† | 14 (13.8)‡‡ | 0 (0) |
Preterm-born vs Term-born: #P < .05, ##P < .01, ###P < .001.
Preterm-born fetal growth restriction vs Preterm-born AGA: ∗P < .05, ∗∗P < .01, ∗∗∗P < .001.
Preterm-born fetal growth restriction vs Term-born: †P < .05, ††P < .01, †††P < .001.
Preterm-born AGA vs Term-born: ‡P < .05, ‡‡P < .01, ‡‡‡P < .001.
Antenatal smoking data missing for 2 preterm-born AGA subjects.