Table 3. Response to supplementation 400 IU vs. 800 IU of vitamin D3.
| Variable | 400 IU | 800 IU | P-value | ||||
|---|---|---|---|---|---|---|---|
| N | Median | IQR | N | Median | IQR | ||
| Cord 25(OH)D nmol/L | 14 | 41.9 | 23.5 | 12 | 42.9 | 40.7 | 0.86 |
| 4 week 25(OH)D nmol/L | 16 | 84.6 | 42.9 | 16 | 105.3 | 46.9 | 0.048 |
| 8 week 25(OH)D nmol/L | 11 | 114.1 | 145.5 | 8 | 138.78 | 103.3 | 0.3 |
| 4 week PTH pg/ml | 16 | 39 | 27 | 16 | 41 | 23.5 | 0.82 |
| 8 Week PTH pg/ml | 12 | 32.5 | 28.5 | 10 | 40 | 23 | 0.49 |
| 4 week Ca++ mg/dL | 16 | 9.9 | 0.6 | 16 | 10.15 | 0.5 | 0.33 |
| 8 week Ca++ mg/dL | 12 | 10.3 | 0.3 | 10 | 10.15 | 0.5 | 0.22 |
| Change in 25(OH)D Cord to 4 week, nmol/L | 14 | 45.7 | 38.4 | 12 | 71.9 | 62.9 | 0.27 |
| Change in 25(OH)D Cord to 8 week, nmol/L | 9 | 65.1 | 39.1 | 6 | 72.6 | 122.3 | 0.38 |
| Length of Stay (days) | 16 | 52 | 21 | 16 | 59 | 58.5 | 0.44 |
| TPN exposure (weeks) | 16 | 1 | 1 | 16 | 1 | 1 | 0.45 |