Unverified85% confidenceDecision RuleTime unknown
指夹式血氧仪的核心不足是运动状态下和低灌注（手指冰凉/循环差）时读数漂移大，此类人群（老人、糖尿病周围血管病变）应选带PI灌注指数显示的型号，PI值<0.4时读数不可信
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85%
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Long-term
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