Table 1. Chronological summary of dosage of L-thyroxin and biochemical examination of blood test.
| Days old | 97 | 127 | 136 | 298 | 525 | 1,365 | 1,392 | 1,497 | 1,784 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Dosage of L-thyroxin (µg/kg) | 17 | NA | 1.0 | 4.75 | 7.9 | 9.0 | NA | 11.0 | NA | |
| T4 (µg/dl) | (RI: 0.8–3.9) | BDL | BDL | BDL | 0.1 | 0.5 | 0.7 | 0.4 | 0.7 | BDL |
| BUN (mg/dl) | (RI: 20–30) | 30.8 | - | - | 61.8 | 45.0 | 55.1 | 77.0 | 52.0 | 167.7 |
| Creatinine (mg/dl) | (RI: 0.8–1.8) | 2.6 | - | - | 1.5 | 1.7 | 2.6 | 2.8 | 2.9 | 2.0 |
| Calcium (mg/dl) | (RI: 6.2–10.2) | 11.2 | - | - | - | 15.0 | 19.7 | 22.1 | 15.0 | 11.4 |
| Phosphorus (mg/dl) | (RI: 4.5–8.1) | - | - | - | - | 4.1 | 7.2 | 8.1 | 9.4 | 13.8 |
BUN, Blood urea nitrogen; RI, Reference interval; NA, Administration of L-thyroxin was not carried out; BDL, Below the detection limit (<0.1 µg/dl). -: The value was not examined.