Question 1 In study, examination of eyes, where compared between a…

Question Answered step-by-step Question 1 In study, examination of eyes, where compared between a… Question 1In study, examination of eyes, where compared between a general practitioner (GP) vs. an ophthalmologist, the study are depicted in the table belowComparison of results between GP & ophthalmologist (N=400 eyes) No DrDrTotalsNo Dr1237130DR19251270Total142258400  a. Calculate % agreement b. Agreement by chance c. Kappa Show calculations and formulas d. Explain your findings    Question 2 points A total of 80 subjects were tested for HIV using ELISA, suppose 12 of the 20 diagnosed with HIV using Western blot (true status) tested positive and 3 of the non-diseased subjects tested positive detected by ELISA. Construct a 2 x 2 table to depict this situation   HIV+HIV – ELISA+   ELISA –   Total     Calculate Sensitivity and specificityInterpret your findings c. What is the:Prevalence of HIV in this population Predictive value positive = PVP  Math Statistics and Probability STATISTICS 1A Share QuestionEmailCopy link Comments (0)