Unverified85% confidenceDecision RuleTime unknown
指夹式血氧仪对灌注低（末梢冰凉、老人、休克）人群误差可达±3%以上，慢阻肺/心衰患者建议选带灌注指数PI显示的型号，PI<0.4时读数不可信
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85%
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Long-term
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