What kind of factors did the authors use in regression analysis in this article? A.) setting ( emergency department V.S outpatient clinic ) B.) study quality (prospective, consecutive, excluded recent antibiotic use) C.) lower age limit of children D.) country (United States/Canada/Europe/Australia versus others) E.) all of above Ans: E What kind of criteria did the authors use to exclude the studies he found ? A.) did not specifically identify the Streptococcus as group A B.) included only children who lived in isolated communities or residential homes C.) reported on an unusual epidemic of GAS D.) a large proportion (_30%) of children who had received antibiotics before the throat culture E.) all of above Ans: E 請各位服用 小弟的是本週星期五報的那一組 和streptococcus的篩檢有關的paper ^^ -- --

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