Biostatistics series module 7: The statistics of diagnostic tests

• Published in: Indian journal of dermatology Vol. 62; no. 1; pp. 18 - 24
• Main Authors: Hazra, Avijit, Gogtay, Nithya
• Format: Journal Article
• Language: English
• Published: India Wolters Kluwer India Pvt. Ltd 01.01.2017; Medknow Publications and Media Pvt. Ltd; Medknow Publications & Media Pvt. Ltd; Medknow Publications & Media Pvt Ltd; Wolters Kluwer Medknow Publications
• Subjects: Accuracy; Agreements; Analysis; Biometry; Conflicts of interest; Diagnostic tests; IJD; Kappa statistic; likelihood ratio; Medical tests; Module on Biostatistics and Research Methodology for the Dermatologist; negative predictive value; positive predictive value; positivity criterion; receiver operating characteristic curve; reference range; sensitivity; specificity; Standard scores; Statistics; Taiwan; positive predictive value; likelihood ratio; specificity; positivity criterion; reference range; sensitivity; receiver operating characteristic curve; Kappa statistic; negative predictive value

Crucial therapeutic decisions are based on diagnostic tests. Therefore, it is important to evaluate such tests before adopting them for routine use. Although things such as blood tests, cultures, biopsies, and radiological imaging are obvious diagnostic tests, it is not to be forgotten that specific...