与类风关相关的骨质疏松或全身骨丢失会增加脆性骨折的风险，从而严重影响类风关患者的生活质量。

Osteoporosis or the systemic bone loss associated with ra increases the risk for fragility fractures, which can affect quality of life dramatically in ra patients.

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与类风关相关的骨质疏松或全身骨丢失会增加脆性骨折的风险，从而严重影响类风关患者的生活质量。

Osteoporosis or the systemic bone loss associated with ra increases the risk for fragility fractures, which can affect quality of life dramatically in ra patients.

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