Lesnyak, O., Zakroyeva, Alla, Babalyan, Varta, Cazac, Victor, Gabdulina, Gulzhan, Ismailov, Said, Lobanchenko, Olga, Rudenka, Ema, Rudenka, Ema, Tsagareli, Marina, Johansson, Helena, Harvey, Nicholas, McCloskey, Eugene and Kanis, John A. (2021) FRAX-based intervention thresholds in eight Eurasian countries: Armenia, Belarus, Georgia, Kazakhstan, the Kyrgyz Republic, Moldova, the Russian Federation, and Uzbekistan. Archives of Osteoporosis, 16 (1), [87]. (doi:10.1007/s11657-021-00962-1).
Abstract
Summary: age-specific intervention and assessment thresholds based on FRAX® were developed for eight Eurasian countries participating in the EVA study (Armenia, Belarus, Georgia, Moldova, Kazakhstan, the Kyrgyz Republic, the Russian Federation, and Uzbekistan). The intervention thresholds (major osteoporotic fracture) ranged from 3.6 (Armenia and Georgia) to 12.3% (Uzbekistan) for people at age 50 years, and from 16 (Armenia) to 27% (Belarus) at the age of 90 years. These thresholds enable a substantial advance in the ease of detection of individuals at high fracture risk.
Introduction: the purpose of this study was to derive and compare FRAX-based intervention and BMD assessment thresholds for 8 Eurasian countries in the EVA study.
Methods: the intervention threshold (IT) was set at a 10-year probability of a major osteoporotic fracture (MOF), calculated without BMD, equivalent to a woman with a prior fragility fracture but no other clinical risk factors, and a body mass index (BMI) of 25.0 kg/m2. The lower assessment threshold was set at a 10-year probability of a MOF in women with BMI of 25.0 kg/m2, without previous fracture or other clinical risk factors. The upper assessment threshold was set at 1.2 times the IT.
Results: the age-specific intervention thresholds ranged from 3.6 (Armenia and Georgia) to 12.3% (Uzbekistan) for men and women at the age of 50 years and from 16 (Armenia) to 27% (Belarus) at the age of 90 years. The difference between countries was most evident at younger ages and become progressively less with advancing age.
Conclusions: for the 8 Eurasian countries, the newly established FRAX-based intervention thresholds provide an opportunity to improve the clinical detection of both men and women with a high risk of fracture and improve treatment rates.
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