Unverified90% confidenceDecision RuleTime unknown
普通成人日常维持选择1000-2000IU/天即可;血清25-OH-D严重缺乏(<20ng/ml)时才需5000IU/天短期强化,且应在补充2-3个月后复查血清水平再调整剂量
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Unverified普通成人日常预防补充选择1000-2000IU/天即可维持血清25-OH-D在30-50ng/mL的充足范围;仅在检测确认缺乏(<20ng/mL)时才需要5000IU/天的高剂量短期纠正94% similarUnverified普通成人日常维持推荐1000-2000IU/天,此剂量可满足绝大多数人将血清25-OH-D维持在30ng/mL以上;仅在明确缺乏(血清<20ng/mL)时才短期使用5000IU纠正94% similarUnverified血清25-OH-D<20ng/ml(缺乏)时常需2000-5000IU/日纠正数月,充足维持一般1000-2000IU/日即可;无检测数据时成人日常维持选1000-2000IU较稳妥,不建议长期盲目5000IU94% similarUnverified血清25-OH-D<20ng/mL(缺乏)时,成人日常补充建议2000-5000IU/天以快速纠正;20-30ng/mL(不足)用1000-2000IU/天维持;≥30ng/mL达标后可降至400-1000IU/天94% similarUnverified健康成年人日常维持选择D3 1000-2000IU/天即可满足需求;血清25-OH-D已明确缺乏(<20ng/mL)时可短期用5000IU/天纠正,纠正后降回维持量93% similar
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