Tables
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Table 1—
Comparison of the demographics and lung function test results of the small for gestational age (SGA) and appropriate weight for gestation (AGA) children
SGA AGA p-value Subjects n 31 88 Gestational age weeks 31 (23–35) 28 (23–33) <0.0001 Birth weight kg 1092 (506–1950) 1203 (540–1866) 0.329 Maternal smoking 10 24 0.597 BPD 5 30 0.059 Duration of ventilation days 1 (0–34) 3 (0–75) 0.151 Supplementary oxygen days 4 (0–340) 8.5 (0–385) 0.049 Post-natal age months# 9 (6–23) 10 (6–24) 0.477 体重#kg 6.6 (3.8–10.5) 7.8 (4.1–11.8) 0.0036 FRCpleth#mL 248 (144–324) 256 (147–414) 0.1482 FRCHe#mL 214 (127–292) 213 (120–380) 0.5171 Raw#cmH2O·L−1·s−1 38 (25–100) 34 (19–56) 0.0044 sGaw#s−1·cmH20−1 0.11 (0.04–0.20) 0.12 (0.06–0.24) 0.0359 Data are presented as n or median (range). BPD: bronchopulmonary dysplasia; FRCpleth: functional residual capacity measured by plethysmography; FRCHe: functional residual capacity measure by the He dilution technique;Raw: airways resistance; sGaw: specific airway conductance.#: at the time of measurement