A study is planned to check stool occult blood positivity using hemoccult test among a group of paicipants aged 50 - 75 years. The test is repeated if result is positive. No repeating if the test is negative. What is the effect on sensitivity and specificity?

Question

Accepted Answer

Sensitivity increases specificity decreases

Answer

Sensitivity decreases specificity increases

Answer

Sensitivity unchanged specificity increases

Answer

Sensitivity increases specificity unchanged

A study is planned to check stool occult blood positivity using hemoccult test among a group of paicipants aged 50 - 75 years. The test is repeated if result is positive. No repeating if the test is negative. What is the effect on sensitivity and specificity?

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