Unverified83% confidenceTradeoffTime unknown
腕式便携性好但精度差,上臂式精度高但笨重不便携:出差多的孕妇若必须便携,可接受腕式做日常趋势参考,但异常读数须用上臂式复核,不能仅凭腕式数值下判断
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83%
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Long-term
Relevance
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Unverified腕式体积小、便携、无需露臂,适合冬季厚衣物或差旅频繁人群,但精度不如上臂式——便携性与精度不可兼得,家用固定监测优先精度选上臂式79% similarUnverified腕式便携但对测量姿势极敏感(手腕需与心脏同高),越便携越易因姿势误差导致读数不准,追求准确性时便携性要让步于上臂式79% similarUnverified精准度与便携性的权衡:腕式体积小便于出差携带且价格低,但需保持腕部与心脏齐平否则误差大;上臂式精度稳定但体积大、需坐姿测量,家用监测应选上臂式而非追求便携78% similarUnverified腕式便携性好但精度受体位影响大,需严格保持腕部与心脏同高才准;家用固定监测场景不应为便携牺牲精度选腕式77% similarUnverified腕式便携但极其依赖姿势——手腕必须与心脏保持同一高度,测量时若手臂悬空或过低,误差显著;给不熟悉操作规范的老人用腕式,读数常年不准77% similar
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