詩詩 asked in 健康其他:保健 · 1 decade ago

醫學代稱(±SD) ?

Selected Demographic and Clinical Characteristics of the STAR*D 的一個統計表中出現:

Mean (±SD) age (years)?

Mean (±SD) no. of years of education?

Mean (±SD) monthly household income (U.S. $)?

Mean (±SD) duration of current episode (mo)

Clinical:

Mean (±SD) age at first MDE (years)

Mean (±SD) time since first MDE (years)

Mean (±SD) no. of MDEs

以上是什麼意思?(±SD)到底是什麼?

1 Answer

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  • 1 decade ago
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    那不是醫學名詞

    SD是統計用語 standard deviation 標準差的縮寫

    詳細意義可以參考統計學

    Source(s): 自己
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