[KongchangAI]
Unverified85% confidenceFactTime unknown

血氧和睡眠监测存在精度差异:手表SpO2在静止且贴合时误差约±2-3%,运动状态下基本不可信;睡眠分期准确率消费级手表普遍60-80%,仅适合看趋势不能当医疗诊断

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85%
Confidence
Long-term
Relevance
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