Table 4.
Vitamin D and iPTH distribution based on RDA of Vitamin D (IOM)
| Vitamin D (RDA based) | Intact PTH |
Total | P | |
|---|---|---|---|---|
| Normal | Elevated | |||
| ≤20 ng/mL | 133 (58.3%) | 95 (41.7%) | 228 | 0.017 |
| >20 ng/mL | 124 (70.1%) | 53 (29.9%) | 177 | |
| 257 (63.5%) | 148 (36.5%) | 405 | ||
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