阴性预测值(negative predictive value)
阴性预测值(negative predictive value)
相关考题:
当某种筛检试验用于患病率较高的人群时,下列哪项叙述是正确的A.阳性预测值升高,阴性预测值降低B.阳性预测值升高,阴性预测值升高C.阳性预测值降低,阴性预测值降低D.阳性预测值降低,阴性预测值升高E.阳性预测值升高,阴性预测值没有改变
对于患病率较低的疾病进行筛检,其结果的特征是A.阳性预测值高而阴:陛预测值也高B.阳性预测值低而阴性预测值也低C.阳性预测值低而阴性预测值高D.阳性预测值高而阴性预测值低E.以上结论都不正确
对于患病率较低的疾病进行筛检,其结果的特征是()A、阳性预测值高而阴性预测值低B、阳性预测值低而阴性预测值高C、阳性预测值高而阴:陛预测值也高D、阳性预测值低而阴性预测值也低E、以上结论都不正确
某一特定的筛检试验,当用于患病率较高的人群时,以下哪一叙述是正确的。()A、阳性预测值升高,阴性预测值升高B、阳性预测值升高,阴性预测值降低C、阳性预测值降低,阴性预测值升高D、阴性预测值降低,阴性预测值降低E、以上都不是
某一特定的筛检试验,当用于患病率较高的人群时,下列叙述哪项是正确的()A、阳性预测值降低、阴性预测值降低B、阳性预测值升高、阴性预测值降低C、阳性预测值降低、阴性预测值升高D、阳性预测值升高、阴性预测值升高E、以上都不是
tommy has created a sales view in his sales.nsf database. Tommy wants negative numbers in the sales number column in the view parenthesis. which one of the following should tommy do?()A、select the parenthesis when negative value in the view properties box B、select the parenthesis when negative value in the column properties box C、use the @function @negative to set this in the column formula in the view D、use a formula to format the value in the field on the form that will be displaying in the view
单选题某一特定的筛检试验,当用于患病率较高的人群时,以下哪一叙述是正确的。()A阳性预测值升高,阴性预测值升高B阳性预测值升高,阴性预测值降低C阳性预测值降低,阴性预测值升高D阴性预测值降低,阴性预测值降低E以上都不是
单选题某一特定的筛检试验,当用于患病率较低的人群时,以下哪一叙述是正确的。()A阳性预测值升高,阴性预测值升高B阳性预测值升高,阴性预测值降低C阳性预测值降低,阴性预测值升高D阳性预测值降低,阴性预测值降低E以上都不对
单选题关于筛检试验的评价指标下列哪项是正确的?( )A试验阳性预测值上升,试验阴性预测值随之上升B试验的特异度愈高阴性预测值愈高C试验的灵敏度愈高阳性预测值愈高D现患率增加,试验阳性预测值上升E现患率增加,试验阴性预测值上升
多选题Which statements are true concerning the effect of the and operators?()AFor non-negative values of the left operand, the and operators will have the same effect.BThe result of (-1 1) is 0.CThe result of (-1 1) is -1.DThe value returned by will never be negative as long as the value of the right operand is equal to or greater than 1.EWhen using the operator, the leftmost bit of the bit representation of the resulting value will always be the same bit value as the leftmost bit of the bit representation of the left operand.
单选题下列关系式中哪项是正确的()。A灵敏度+特异度=1B灵敏度+阳性预测值=1C灵敏度+阴性预测值D灵敏度+假阴性率=1E阴性预测值+阳性预测值=1