Table 1. Clinical characteristics and laboratory results of 1,129 newborns with indirect hyperbilirubinemia.
| Clinical characteristics and laboratory tests | Value | Total |
|---|---|---|
| Male sex | 646 (57) | 1,129 |
| Gestational age | ||
| Term | 1,111 (98) | 1,129 |
| Preterm | 18 (2) | 1,129 |
| Age at presentation (day) | 4 (0–64) | 1,121 |
| Length of hospitalization (day) | 2 (1–100) | 1,120 |
| G6PD deficiency | 442 (42) | 1,046 |
| α-athalassemia | 346 (33) | 1,052 |
| Hemoglobin (g/dL) | 17 (8–24) | 1,108 |
| Hematocrit (%) | 49 (25-69) | 675 |
| Reticulocyte count | 3 (0–21) | 988 |
| Positive DCT | 95 (9) | 1,023 |
| ABO incompatibility | 132 (42) | 316 |
| Rh incompatibility | 13 (4) | 316 |
| TSB at admission (µmol/L) | 292 (69–839) | 689 |
| Maximum TSB (µmol/L) | 306 (82–952) | 1,126 |
| Free T4 (µU/mL) | 23 (0–56.9) | 1,062 |
| TSH (µU/mL) | 3.3 (0–388) | 1,071 |
| Positive urine culture | 48 (19) | 247 |
| Positive blood culture | 15 (9) | 175 |
Values are presented as number (%) or median (range).
G6PD, glucose-6-phosphate uridyltransferase enzyme; DCT, direct coombs test, ABO, blood group A, B, and O; Rh, rhesus factor; TSB, total serum bilirubin; T4, thyroxin level; TSH, thyroid-stimulating hormone.