Specificity of a screening test measures
Specificity in the above image = d/(b+d)x100 Specificity is defined as the ability of a test to identify correctly those who do not have the disease, that is, "true-negatives". Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 152
False positives
True positives
False negatives
True negatives
Epidemiology