Table 1 Demographic characteristics and laboratory data of the study infants
Patient characteristics (N = 1041) | Average | (Range) |
|---|---|---|
Gestational age (weeks) | 31.4 ± 3.5 | (23–40) |
Postmenstrual age (weeks) | 33.2 ± 3.2 | (22.6–44.3) |
Time of sample collection (days) | 10.0 ± 12.9 | (1–56) |
Body weight (g) | 1605.4 ± 513.3 | (450–2490) |
Auto-analyzer sodium (mmol/L) | 138.8 ± 4.7 | (119.0–158.0) |
ABGA sodium (mmol/L) | 134.6 ± 3.5 | (117.5–152.2) |
Serum protein (g/dL) | 4.9 ± 0.6 | (2.2–6.8) |
Serum albumin (g/dL) | 3.3 ± 0.4 | (1.4–4.4) |