Unverified50% confidenceDecision RuleTime unknown

PA等级看+号数量对应PPD值：PA+++约PPD8-16，PA++++约PPD≥16，长时间户外或防晒黑需选PA++++

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50%

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Long-term

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防晒乳category

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Unverified测试用例优先级采用 P0-P3 四级划分：P0 为阻塞级、P1 为严重级、P2 为一般级、P3 为轻微级58% similar UnverifiedPHQ-9共9题采用0-3分四级评分，总分0-27分；GAD-7共7题同样0-3分评分，总分0-21分，两者均为WHO及各国指南推荐的一线筛查工具且已有官方中文修订版52% similar Unverified曲线图精度越高（分位线越密，如含P3/P10/P25/P50/P75/P90/P97七条）越利于精细判断，但普通家长看多条线易焦虑；日常记录选P3/P50/P97三条主线的简化版更易读、不制造焦虑50% similar

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