If Two screening tests are used in Series, then there will be
Screening tests in series: A population is subjected to one screening test followed by a second screening test ; 2nd screening test is applied only in those in which the 1st screening test is positive. - In this, Combined values of Sensitivity decreases Specificity increases PPV increases NPV decreases
Increased sensitivity and decreased specificity
Increased specificity and decreased sensitivity
Increased sensitivity and increased specificity
Decreased sensitivity and decreased specificity
Sensitivity, Specificity, PPV, NPV