Demographics at follow-up for extremely preterm and control children
| Mod/sev BPD (mean±SD, n (%)) | No/mild BPD (mean±SD, n (%)) | Control (mean±SD, n (%)) | |
|---|---|---|---|
| n | 47 | 53 | 64 |
| Age (years) | 11.9±1.6 | 12.3±1.5 | 11.6±1.9 |
| Height z-score‡ | −0.27±0.98 | −0.07±1.05 | 0.45±0.88 |
| Weight z-score‡ | −0.074±1.28 | −0.39±0.99 | 0.45±0.85 |
| BMI z-score† | 0.074±1.24 | −0.42±1.01 | 0.33±1.04 |
| % Male | 27 (57%) | 34 (64%) | 37 (58%) |
| % Caucasian | 34 (79%) | 40 (82%) | 45 (82%) |
| Maternal smoking in pregnancy | 11 (24%) | 10 (19%) | 7 (12%) |
| Household cigarette smoke exposure | 15 (32%) | 16 (31%) | 12 (20%) |
| Asthma* | 18 (38%) | 16 (30%) | 11 (17%) |
| Wheeze in last 12 months* | 19 (40%) | 13 (24%) | 9 (15%) |
| Asthma medications in last 12 months | 10 (21%) | 7 (13%) | 4 (6%) |
| Activity more than average† | 15 (32%) | 27 (51%) | 37 (63%) |
| SOB with activity† | 18 (38%) | 8 (15%) | 9 (15%) |
Post hoc ANOVA one-way comparisons (mean±SE):
Height z-score: mod/sev BPD 0.72±0.19<control‡; no/mild BPD 0.53±0.18<control*.
Weight z-score: mod/sev BPD 0.52±0.20<control*; no/mild BPD 0.83±0.19<control‡.
BMI z-score: no/mild BPD 0.75±0.20<control†.
*p<0.05; †p<0.01; ‡p<0.001.
ANOVA, analysis of variance; BMI, body mass index; BPD, bronchopulmonary dysplasia; mod/sev, moderate/severe; SOB, shortness of breath.