Use the below table to perform calculations for this question. You are developing a new screening test for diabetes using a questionnaire (the diagnostic test requires a blood test and takes too long for your after-school program). You are calling your new questionnaire Betes. You want to figure out whether to use this test as a tool in your program.

Glucose test diabetes

Glucose test no diabetes

Total

Betes positive

40

8

48

Betes negative

7

215

222

Total

47

223

270

a. Fill out the rest of the table. How many true positive results do you have? _____________

How many false positive results do you have? _______________

b. Calculate the sensitivity of the test. Interpret the result.

Sensitivity

c. Calculate the specificity of the test. Interpret the result.

d. Will you use this test in your program? Why or why not?