Unverified85% confidenceDecision RuleTime unknown
血清25-OH-D＜20ng/mL（缺乏）建议短期补充2000-5000IU/天纠正，达标后维持1000-2000IU/天；20-30ng/mL（不足）用1000-2000IU/天即可；已达30-50ng/mL理想区间用400-1000IU/天维持
1
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85%
Confidence
Long-term
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Unverified血清25-OH-D＜20ng/mL（缺乏）时可选2000-5000IU/日进行纠正，达标后（30-50ng/mL）以1000-2000IU/日维持；单纯预防性补充400-1000IU/日即可97% similarUnverified血清25-OH-D在30-50ng/mL为理想区间；已知缺乏（<20ng/mL）时1000-2000IU/日为常规补充剂量，日常维持400-1000IU即可，无需盲目上5000IU93% 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92% similarUnverified血清25-OH-D＜20ng/ml（缺乏）建议2000-5000IU/天短期纠正后复查，20-30ng/ml（不足）用1000-2000IU/天维持，≥30ng/ml充足者400-800IU/天日常预防即可92% similarUnverified先测血清25-OH-D确定基线：＜20ng/mL为缺乏需5000IU纠正，20-30ng/mL为不足用2000IU，≥30ng/mL用1000IU维持；补充2-3个月后复检调整剂量90% similar
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