Table 1: Characteristics according to parathyroid hormone (PTH) categories among the United States adults aged at least 20 years, NHANES 2003–2006.

PTH group (pg/mL)All
6–3940–5960–99100–1491

4260295214233138948
Age (years)4452566349
Men (%)4948474748
Race (%)
 Mexican American1921211620
 Other Hispanic33323
 Non-Hispanic white5650464152
 Non-Hispanic black1821263721
 Other44344
Smoking (%)
 Current smoker2918131522
 Former smoker2329303526
 Never smoked4853575051
Body mass index (kg/m2)27.629.030.431.028.6
Systolic blood pressure (mmHg)120126132137125
Diastolic blood pressure (mmHg)6870717169
White blood cell count (/uL)75897221720973167398
Platelet count (1000/uL)269270270263269
HbA1c (%)5.55.65.75.85.6
Albumin (g/dL)4.24.24.14.04.2
HDL (mg/dL)5654555355
LDL (mg/dL)116117114111116
Triglycerides (mg/dL)150148142150148
Creatinine (mg/dL)0.90.91.01.60.9
eGFR (mL/min/1.73 m2)9890836392
Total calcium (mg/dL)9.59.59.49.49.5
Corrected total calcium (mg/dL)9.69.59.59.59.6
Phosphorus (mg/dL)3.93.83.73.73.8
25(OH)D (ng/mL)24.320.918.415.521.9

(1) Values are means incorporating sample weights and adjusted for clusters and strata of the complex sample design of NHANES 2003–2006.
(2) 25(OH)D: 25-hydroxyvitamin D; corrected total calcium: calcium corrected for serum albumin; eGFR: estimated glomerular filtration rate using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation; HbA1c: glycohemoglobin; HDL: high-density lipoprotein; LDL: low-density lipoprotein.