A Physical Examination,digital Rectal Exam,was Used to Screen for Prostate

question 11

Multiple Choice

A physical examination,digital rectal exam,was used to screen for prostate cancer in 290 men with biopsy-proven prostate cancer and in 516 age- and race-matched control men,all of whom showed no evidence of cancer at biopsy.The results of the physical examination were positive in 136 cases and in 165 control men.What is the sensitivity of the physical examination?

• A) 32%
• B) 47%
• C) 56%
• D) 57%
• E) Cannot calculate it based on given information

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Definitions:

Disposable Income

Post-income tax financial means available to households for saving and spending.

Control

in the context of management and business, refers to the process of regulating activities and verifying that everything is proceeding according to plan, to ensure the achievement of goals.

Disposable Income

Earnings left after subtracting taxes and social security contributions, which can be either saved or spent according to one's preferences.

Savings

The portion of income that is not spent on consumption or taxes, and is therefore available for investing or setting aside for future use.