Table A2.
Preterm infants’ gestational age at birth and discharge, and length of stay compared among quartiles of growth trajectory.
| Zdiff ≤ −1.34 1 (Number = 51) |
−1.34 < Zdiff ≤ −0.93 1 (Number = 51) |
−0.93 < Zdiff ≤ −0.57 1 (Number = 51) |
Zdiff > −0.57 1 (Number = 51) |
Total (Number = 204) |
p-Value 2 | |
|---|---|---|---|---|---|---|
| Gestational Age at Birth (weeks) | ||||||
| Median (Range) | 29.4 (24.3–32.9) | 30.1 (24.9–33.6) | 31.4 (24.4–33.9) | 32.1 (26.0–33.9) | 30.9 (24.3–33.9) | <0.001 |
| Gestational Age at Discharge (weeks) | ||||||
| Median (Range) | 37.6 (35.0–39.3) | 36.9 (35.0–39.9) | 36.4 (35.0–40.0) | 36.6 (35.4–40.0) | 36.7 (35.0–40.0) | 0.11 |
| Length of Stay (days) | ||||||
| Median (Range) | 59.0 (15.0–100.0) | 46.0 (17.0–105.0) | 39.0 (16.0–109.0) | 32.0 (18.0–93.0) | 44.0 (15.0–109.0) | <0.001 |
1 Change in weight z-score: Zdiff = Zdischarge – Zbirth, 2 p-value by Kruskal–Wallis test.