q.10___________? - sarim

[ArchivalUser]

A new test to diagnose urinary tract infections in women is being evaluated. the comparison gold standard is positive urine dipstick plus urine culture. Results of the study are given below:


------------------------------------------ (Test Positive) --- (Test Negative)

Positive Urine Dipstick and Culture -------- 60 -------------- 140
Negative Urine Dipstick and Culture ------- 20 -------------- 180


What is the test Specificity ?

[ArchivalUser]

90%

[ArchivalUser]

Specificity = TN / TN+ FP = 180 / 180 + 20 = 90 %

[ArchivalUser]

@sarim

Dear sarim i have posted a q regarding q11 of your previous biostat questions. could you please take a look and advise whenever you have a few minutes. Thank you

[ArchivalUser]

nice

[ArchivalUser]

oh nice, you reversed the data...got it wrong initially ...but then i saw the table was turned..