Unverified88% confidenceDecision RuleTime unknown
无缺乏症的成人日常维持选1000-2000IU/天即可，血清检测<20ng/ml的缺乏者可短期用5000IU纠正，达标后回落到维持量
1
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88%
Confidence
Long-term
Relevance
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Unverified维持性补充选1000-2000IU/日即可满足多数成年人需求；血清25-OH-D<20ng/ml的明确缺乏者可短期用5000IU/日纠正，纠正后降至维持量，不建议长期无监测服用5000IU92% similarUnverified普通成人日常维持选1000-2000IU/天即可，缺乏纠正期（血清25-OH-D＜20ng/ml）可短期用5000IU/天，达标后回落到维持量；长期无监测下超过4000IU/天有蓄积风险92% similarUnverified日常维持推荐1000-2000IU/天，血清检测明确缺乏（<20ng/mL）可短期用5000IU纠正后回落到2000IU维持，长期无监测下每日≥4000IU有累积超量风险91% similarUnverified维持性补充（血清25-OH-D已达30ng/mL以上）成人日常选择1000-2000IU即可；血清＜20ng/mL的明确缺乏者短期可用5000IU纠正，达标后降回维持量91% similarUnverified维持性补充选1000-2000IU/天可覆盖多数成人日常需求；缺乏纠正（血清25-OH-D＜20ng/ml）阶段需4000-5000IU/天并在8-12周后复查，达标后降至维持量90% similar
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