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Establishment of a normal reference value of parathyroid hormone in a large healthy Chinese population and evaluation of its relation to bone turnover and bone mineral density.
Osteoporos Int. 2016 May; 27(5):1907-16.OI

Abstract

A normal reference value of parathyroid hormone (PTH) was established for the first time in a large sample of healthy Chinese subjects by completely excluding interference of vitamin D deficiency. A high PTH level correlated significantly with an elevated bone turnover and a reduced bone mineral density (BMD).

INTRODUCTION

The aims of this study are to establish a normal reference value for serum PTH and to evaluate the effect of parathyroid gland status on bone turnover and BMD.

METHODS

Our cross-sectional study included 1436 healthy individuals from 5 different Chinese cities. Concentrations of serum PTH, 25-hydroxyvitamin D (25OHD), procollagen I N-terminal peptide (P1NP, a bone formation marker), and carboxyl-terminal telopeptide of type I collagen (β-CTX, a bone resorption marker) were measured by electrochemiluminescence immunoassay. BMD was measured by dual-energy X-ray absorptiometry. The relation of PTH concentration to age, gender, height, and weight was examined. Reference values of PTH were established for all subjects and for subjects categorized by serum 25OHD concentrations. Correlations of PTH levels with bone turnover biomarkers and BMD were statistically analyzed.

RESULTS

Reference values of PTH were 8.84-69.95 pg/mL in all the subjects and 7.48-60.73 and 5.83-56.78 pg/mL in the subjects with serum 25OHD concentrations of ≥20 and ≥30 ng/mL, respectively. Serum PTH showed a negative linear correlation with 25OHD, and the breakpoint was 18.21 ng/mL, below which the PTH level rapidly increased. The increase in PTH levels with age showed a positive linear correlation with P1NP and β-CTX concentrations and a negative linear correlation with BMD at the lumbar spines and the femoral neck.

CONCLUSIONS

A reference value of PTH was established in a large sample of healthy Chinese subjects according to 25OHD status, gender, and age. A high PTH level correlated significantly with an elevated bone turnover and a reduced BMD.

Authors+Show Affiliations

Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.Department of Osteoporosis, Sixth People's Hospital, Shanghai Jiaotong University, No. 600 Yishan Road, Shanghai, 200233, China.Department of Geriatrics, General Hospital of Guangzhou Military Command, No. 111 Liuhua Road, Guangzhou, 510010, China.Department of Laboratory, Hubei General Hospital, No. 238 Jiefang Road, Wuhan, 430060, China.Department of Orthopedics, The Second Affiliated Hospital of Chongqing Medical University, No. 76 Linjiang road, Chongqing, 400010, China.Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.Department of Obstetrics and Gynecology, Peking Union Medical College, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.Department of Endocrinology, Key Laboratory of Endocrinology of Ministry of Health, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China. xiaweibo8310@163.com.

Pub Type(s)

Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26733373

Citation

Li, M, et al. "Establishment of a Normal Reference Value of Parathyroid Hormone in a Large Healthy Chinese Population and Evaluation of Its Relation to Bone Turnover and Bone Mineral Density." Osteoporosis International : a Journal Established as Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, vol. 27, no. 5, 2016, pp. 1907-16.
Li M, Lv F, Zhang Z, et al. Establishment of a normal reference value of parathyroid hormone in a large healthy Chinese population and evaluation of its relation to bone turnover and bone mineral density. Osteoporos Int. 2016;27(5):1907-16.
Li, M., Lv, F., Zhang, Z., Deng, W., Li, Y., Deng, Z., Jiang, Y., Wang, O., Xing, X., Xu, L., & Xia, W. (2016). Establishment of a normal reference value of parathyroid hormone in a large healthy Chinese population and evaluation of its relation to bone turnover and bone mineral density. Osteoporosis International : a Journal Established as Result of Cooperation Between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 27(5), 1907-16. https://doi.org/10.1007/s00198-015-3475-5
Li M, et al. Establishment of a Normal Reference Value of Parathyroid Hormone in a Large Healthy Chinese Population and Evaluation of Its Relation to Bone Turnover and Bone Mineral Density. Osteoporos Int. 2016;27(5):1907-16. PubMed PMID: 26733373.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Establishment of a normal reference value of parathyroid hormone in a large healthy Chinese population and evaluation of its relation to bone turnover and bone mineral density. AU - Li,M, AU - Lv,F, AU - Zhang,Z, AU - Deng,W, AU - Li,Y, AU - Deng,Z, AU - Jiang,Y, AU - Wang,O, AU - Xing,X, AU - Xu,L, AU - Xia,W, Y1 - 2016/01/05/ PY - 2015/07/21/received PY - 2015/12/21/accepted PY - 2016/1/7/entrez PY - 2016/1/7/pubmed PY - 2017/1/11/medline KW - 25OHD KW - BMD KW - Bone turnover KW - P1NP KW - PTH KW - β-CTX SP - 1907 EP - 16 JF - Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA JO - Osteoporos Int VL - 27 IS - 5 N2 - UNLABELLED: A normal reference value of parathyroid hormone (PTH) was established for the first time in a large sample of healthy Chinese subjects by completely excluding interference of vitamin D deficiency. A high PTH level correlated significantly with an elevated bone turnover and a reduced bone mineral density (BMD). INTRODUCTION: The aims of this study are to establish a normal reference value for serum PTH and to evaluate the effect of parathyroid gland status on bone turnover and BMD. METHODS: Our cross-sectional study included 1436 healthy individuals from 5 different Chinese cities. Concentrations of serum PTH, 25-hydroxyvitamin D (25OHD), procollagen I N-terminal peptide (P1NP, a bone formation marker), and carboxyl-terminal telopeptide of type I collagen (β-CTX, a bone resorption marker) were measured by electrochemiluminescence immunoassay. BMD was measured by dual-energy X-ray absorptiometry. The relation of PTH concentration to age, gender, height, and weight was examined. Reference values of PTH were established for all subjects and for subjects categorized by serum 25OHD concentrations. Correlations of PTH levels with bone turnover biomarkers and BMD were statistically analyzed. RESULTS: Reference values of PTH were 8.84-69.95 pg/mL in all the subjects and 7.48-60.73 and 5.83-56.78 pg/mL in the subjects with serum 25OHD concentrations of ≥20 and ≥30 ng/mL, respectively. Serum PTH showed a negative linear correlation with 25OHD, and the breakpoint was 18.21 ng/mL, below which the PTH level rapidly increased. The increase in PTH levels with age showed a positive linear correlation with P1NP and β-CTX concentrations and a negative linear correlation with BMD at the lumbar spines and the femoral neck. CONCLUSIONS: A reference value of PTH was established in a large sample of healthy Chinese subjects according to 25OHD status, gender, and age. A high PTH level correlated significantly with an elevated bone turnover and a reduced BMD. SN - 1433-2965 UR - https://www.unboundmedicine.com/medline/citation/26733373/Establishment_of_a_normal_reference_value_of_parathyroid_hormone_in_a_large_healthy_Chinese_population_and_evaluation_of_its_relation_to_bone_turnover_and_bone_mineral_density_ L2 - https://dx.doi.org/10.1007/s00198-015-3475-5 DB - PRIME DP - Unbound Medicine ER -