Unverified88% confidenceDecision RuleTime unknown
体重≥80kg人群应选择支撑层弹簧线径≥2.2mm或高密度海绵（密度≥45D）的床垫，否则2-3年内易出现塌陷，中间下凹导致腰椎悬空
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88%
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Long-term
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