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. 2023 Jun 21;23(1):454.
doi: 10.1186/s12888-023-04951-1.

Risk factors for osteoporosis in chronic schizophrenia on long-term treatment with antipsychotics: a cross-sectional study

Furu Liu  1 , Ying Wu  2 , Jindong Chen  1 , Tianxiang Zou  1 , Yue Qin  1 , Ziwei Teng  1 , Yuhan Su  1 , Renrong Wu  1 , Jing Huang  3
Affiliations

Risk factors for osteoporosis in chronic schizophrenia on long-term treatment with antipsychotics: a cross-sectional study

Furu Liu et al. BMC Psychiatry. .

Abstract

Background: Little is known about the laboratory variable risks with bone mineral density (BMD) in patients with schizophrenia. This study was designed to fully investigate the related risk factors for decreased BMD in schizophrenia, as well as evaluate the gender difference of BMD.

Method: The BMD of the forearm of 211 patients (males/females = 140/71) who met the diagnostic criteria for DSM-5 schizophrenia was measured by dual-energy X-ray absorptiometry. Basic demographic information, clinical assessments, and laboratory variables (regarding nutrition, hormones, metabolism, and inflammatory markers) were comprehensively collected.

Results: Among 211 subjects, seventy-four (35%) patients had low BMD. Males had a significantly lower BMD T-score than females (P = 0.002). Multiple regression analyses showed that the independent risks with low BMD were lower folate, glycosylated hemoglobin levels, higher age, serum ferritin, and follicle-stimulating hormone (FSH) levels. In female patients, the BMD was mainly associated with age and serum hormones (FSH and testosterone), while the BMD of male patients was primarily related to age, microelements (serum ferritin and 25-OH-VD), and parathyroid hormone.

Conclusion: Our study found several meaningful correlations between osteoporosis and schizophrenia, especially regarding laboratory measures, which may provide new clues to identifying or preventing osteoporosis in clinical patients.

Keywords: Bone mineral density; Gender; Osteoporosis; Risk factor; Schizophrenia.

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Conflict of interest statement

The authors declare no competing interests.

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