Table 1 Characteristics according to quintiles of parathyroid hormone (PTH) levels in NHANES 2003-2006a
Quintiles of serum PTH levels, pM (pg/ml) | n | Age (years) | Men (%) | White (%) | BMI (kg/m2) | Diuretic use (%) | Serum calcium (mM) | Serum vitamin D (nM) | Serum phosphorus (mM) | Serum alkaline phosphatase (U/L) | Uric acid drug useb (%) | History of hypertension (%) | GFR (ml/min per 1.73 m2) | Alcohol (g/day) | Total energy (kcal/day) | Total protein (g/day) | Total sugar (g/day) | Total caffeine (mg/day) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.6-2.9 (6-27) | 1,733 | 40 | 47 | 80 | 26.8 | 4.2 | 2.4 | 69.2 | 1.3 | 65.9 | 0.1 | 23 | 96 | 10.9 | 2263 | 87.9 | 129.3 | 185.1 |
3.0-3.8 (28-36) | 1,795 | 44 | 50 | 76 | 27.5 | 4.9 | 2.4 | 63.0 | 1.3 | 66.8 | 0.2 | 28 | 93 | 9.9 | 2179 | 84.3 | 120.8 | 179.3 |
3.9-4.7 (37-44) | 1,462 | 47 | 49 | 75 | 28.3 | 5.7 | 2.4 | 59.4 | 1.3 | 67.0 | 0.1 | 29 | 91 | 9.9 | 2192 | 84.8 | 119.3 | 186.1 |
4.8-6.2 (45 - 59) | 1,712 | 49 | 47 | 70 | 29.1 | 7.5 | 2.4 | 55.2 | 1.2 | 70.0 | 1.0 | 41 | 89 | 8.5 | 2129 | 83.8 | 117.0 | 157.2 |
6.3-52.1 (59-491) | 1,614 | 51 | 46 | 66 | 30.4 | 14.7 | 2.4 | 49.2 | 1.2 | 74.2 | 1.1 | 48 | 83 | 6.3 | 2009 | 77.2 | 115.0 | 156.7 |
All | 8,316 | 46 | 48 | 74 | 28.3 | 7.0 | 2.4 | 59.8 | 1.2 | 68.5 | 0.5 | 33 | 91 | 9.2 | 2160 | 83.9 | 120.6 | 173.5 |