Biostatistics and Epidemiology Principles for the Toxicologist: The "Testy" Test Characteristics Part II: Positive Predictive Value and Negative Predictive Value

Christy Williams¹, Barbara Elena Sahagún¹, Mark K Su^{2

3}

Affiliations

¹ The Ronald O. Perelman Department of Emergency Medicine, New York University Grossman School of Medicine, New York, NY, USA.
² The Ronald O. Perelman Department of Emergency Medicine, New York University Grossman School of Medicine, New York, NY, USA. mark.su@nyulangone.org.
³ New York City Poison Control Center, New York, NY, USA. mark.su@nyulangone.org.

Christy Williams et al. J Med Toxicol. 2023 Jul.

. 2023 Jul;19(3):298-302.

doi: 10.1007/s13181-023-00953-3. Epub 2023 Jun 14.

Christy Williams¹, Barbara Elena Sahagún¹, Mark K Su^{2

3}

¹ The Ronald O. Perelman Department of Emergency Medicine, New York University Grossman School of Medicine, New York, NY, USA.
² The Ronald O. Perelman Department of Emergency Medicine, New York University Grossman School of Medicine, New York, NY, USA. mark.su@nyulangone.org.
³ New York City Poison Control Center, New York, NY, USA. mark.su@nyulangone.org.

No abstract available

Keywords: Accuracy; Epidemiology; Negative Predictive Value; Positive Predictive Value; Test Characteristics.

Conflict of interest statement

None.

1. Sahagún BE, Williams C, Su MK. Biostatistics and Epidemiology Principles for the Toxicologist: The "Testy" Test Characteristics Part I-Sensitivity and Specificity. J Med Toxicol. 2023;19(1):40–44. 10.1007/s13181-022-00916-0. Erratum in: J Med Toxicol. 2022 Dec 21. - PMC - PubMed
1. Trevethan R. Sensitivity, Specificity, and Predictive Values: Foundations, Pliabilities, and Pitfalls in Research and Practice. Front Public Health. 2017;20(5):307. doi: 10.3389/fpubh.2017.00307. - DOI - PMC - PubMed