【单选题】【消耗次数：1】
以下关于老年OVCF的特点和治疗难点，说法错误的是（）
①
骨折后需制动或卧床，加速骨吸收，发生快速骨丢失
②
OVCFs 处理不当易发展成后凸畸形，压迫脊髓神经，造成严重后果
③
骨形成与骨痂成熟迟缓，易发生骨折延迟愈合或不愈合
④
再次骨折机率小
⑤
老年人合并其它疾病，易发生并发症，增加治疗的复杂性与风险性
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