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6. The eight-item Patient Health Questionnaire depression scale (PHQB) is a measure for depressive disorders. The PHQS is more convenient to use than the Diagnostic and Statistical Manual of Mental Disorders, fourth edition (DSM-IV) based diagnostic algorithm to diagnose depressive disorders. There is evidence that a PHQB score 210 represents clinically significant depression. The below table shows the relationship between PHQ8 scores and depression diagnostic status. Depressive disorder by diagnostic algorithm _ota| PHQ- 8 Score Major Other Any None (n: 8476) (n: 9577) (n: 18053) (n: 180 525) (n: 198 678) 0 8476 4030 12,556 4434 17,040 _il 5497 5497 175,141 131,533 3. Compute the sensitivity and specificity of a PHQS score 210 for major depressive disorder. b. Compute the sensitivity and specificity of a PHQS score 210 for any depressive disorder