Unverified88% confidenceDecision RuleTime unknown
普通成人日常维持选1000-2000IU/日即可，缺乏纠正期（血清25-OH-D＜20ng/mL）可短期用5000IU/日，达标后降至维持量；无缺乏证据不建议长期5000IU
1
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88%
Confidence
Long-term
Relevance
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Unverified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94% similarUnverified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5000IU93% similarUnverified成人日常维持推荐1000-2000IU/天；血清25(OH)D<20ng/ml的明确缺乏者可短期用5000IU纠正，但5000IU不建议无检测长期服用，成人长期安全上限约4000IU/天92% similarUnverified日常维持剂量1000-2000IU/天适合大多数成人；已确诊缺乏（血25(OH)D<20ng/ml）可短期用5000IU纠正，但5000IU不建议长期无监测服用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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