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Calcif Tissue Int. 2019 Feb 19. doi: 10.1007/s00223-019-00535-y. [Epub ahead of print]

An Optimised Fracture Liaison Service Model: Maintained Diagnostic Sensitivity Despite Reduced Number of Diagnostic Tests Performed.

Author information

1
Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Palle Juul Jensens Boulevard 99, G317, Aarhus N, 8200, Denmark. randitei@rm.dk.
2
National Center for Register-based Research, Aarhus University, Aarhus C, 8000, Denmark.
3
Department of Orthopedic Surgery, Aarhus University Hospital, Aarhus N, 8200, Denmark.
4
Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Palle Juul Jensens Boulevard 99, G317, Aarhus N, 8200, Denmark.

Abstract

Patients suffering a low-energy fracture are at high risk of subsequent fractures. Investigation of all fragility fracture patients above the age of 50 years is recommended in order to prevent further fractures. The aim of this study was to investigate alternative strategies including known risk factors (age, sex, and body weight) for selecting fracture patients for osteoporosis assessment and investigate how these strategies would affect the proportion of patients with osteoporosis identified and the number of patients referred for Dual X-ray Absorptiometry (DXA) compared with the original FLS strategy. From OFELIA; a cohort study comprising 794 fragility fracture patients we included 622 patients aged 18 + years (mean age 56 ± 17) with fragility fractures. We investigated the predictive value of clinical risk factors using ROC curves and AUC analyses. The revised strategies were compared by analyzing sensitivity and specificity of different strategies based on sex, age, BMI, and bodyweight. For patients 50 + years, a strategy investigating men and women with body weight ≤ 85 kg resulted in sensitivity and specificity of 94% and 25%, respectively, reducing the number of DXAs by 21%. For patients < 50 years, the prevalence of osteoporosis was low and it was, therefore, difficult to develop an acceptable strategy. We found that the original FLS strategy can be modified to include substantially fewer patients and still only miss the osteoporosis diagnosis in a very few patients. A modified strategy would potentially save costs and concerns in many patients.

KEYWORDS:

Body weight; Fracture; Fracture Liaison Service; Osteoporosis

PMID:
30783701
DOI:
10.1007/s00223-019-00535-y

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