[KongchangAI]
Unverified90% confidenceFactTime unknown

家用生物电阻抗(BIA)体脂秤误差普遍在±3%-5%,仅适合追踪趋势而非绝对值;若需精准数值需用医用DEXA或InBody级八电极设备

1
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90%
Confidence
Long-term
Relevance
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