Unverified85% confidenceDecision RuleTime unknown
跌倒检测应支持60秒倒计时+震动/语音提示的误报取消机制，无取消窗口的产品会因日常动作（放下手臂、拍打）频繁误报，导致家人警报疲劳后忽视真实警情
1
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85%
Confidence
Long-term
Relevance
-
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Unverified自动检测灵敏度越高，误报率越高（弯腰、坐下、放置桌面都可能触发）；建议选可调灵敏度且带'取消倒计时'（跌倒后15-30秒内可手动取消误报）的机型81% similarUnverified跌倒检测灵敏度越高，误报（弯腰、坐下、放手快速）越频繁，频繁误报会导致老人主动关闭功能；选可分档调节灵敏度、且带30-60秒取消倒计时的产品最实用80% similarUnverified带跌倒自动检测功能的产品灵敏度越高越易在弯腰、坐下时误报，误报频繁会导致看护人麻痹忽视真实警报，建议选可调节灵敏度且带取消倒计时的机型80% similarUnverified跌倒检测存在灵敏度与误报的固有权衡：灵敏度调高会因拍手、放下手臂等动作误触发SOS，灵敏度调低则可能漏检软跌倒(缓慢滑倒)。选具备可调节灵敏度+跌倒后倒计时确认(通常30-60秒)机制的产品，避免频繁误报导致家属'狼来了'式忽视79% similarUnverified跌倒检测灵敏度与误报率成反比：灵敏度调高可减少漏检但拍手、放下手臂等动作易误触发SOS，给老人和子女造成困扰，需选可自定义灵敏度分级的机型76% similar
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