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EBD Final Exam Questions And Correct Answers
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EBD Final Exam Questions And Correct AnswersDesigning, performing, or reading studies (observational, interventional etc.) to find out
if clinical techniques and materials are proven to be successful and potentially
applicable in your practice. - ANSWER Evidence Based Dentistry
1. Accuracy of screening for diagnosis
2. Disease frequency
3. Etiology
4. Treatment efficacy - ANSWER The Big 4
detection targeted at large asymptomatic population - ANSWER Screening
classification provided to symptomatic patients seeking care - ANSWER Diagnosis
reproducibility = consistency - ANSWER Reliability =
% agreement
kappa value - ANSWER Measures of Reliability
Sensitivity
Specificity
ROC Curve - ANSWER Measures of Validity
agree/total - ANSWER % agreement =
, complicated, adjusts for chance of agreement
1. >0.75 excellent
2. 0.4-0.75 acceptable
3. <0.4 poor - ANSWER Kappa
distinguishes between health and disease. Reliability is a prerequisite. - ANSWER
Validity
ideal method (not usually feasible in clinic). Used to test validity.
True Positive
True Negative
False Positive - "false alarm"
False Negative - "false hope" - ANSWER Gold Standard
accuracy of test in detecting disease
Se = TP / (TP + FN) - ANSWER Sensitivity
low false negative, low false hope. You want sensitivity to be high. - ANSWER High
Sensitivity
accuracy of test in detecting health
Sp = TN / (TN + FP) - ANSWER Specificity
Low false positives - ANSWER High Specificity
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