Unverified85% confidenceDecision RuleTime unknown
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
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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95% 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94% similarUnverified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94% 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5000IU94% similarUnverified血清25-OH-D正常者日常维持选400-1000IU;检测显示缺乏(<20ng/mL)需在医生指导下短期用2000-5000IU纠正,达标后降回维持量,不建议长期自行服用5000IU93% similar
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