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Sensitivity vs Specificity Explained!

🚀 Evaluating AI performance for real clinical use? Book a free call → https://www.newtonstree.ai/contact?ut... Performance testing AI in healthcare often starts with two familiar metrics: sensitivity and specificity. They show up in papers, dashboards, and vendor brochures. But in hospitals, these numbers only tell part of the story. To understand how an AI system will actually behave in your patient population, you also need two more metrics: Positive Predictive Value (PPV) and Negative Predictive Value (NPV). In this video, Haris Shuaib, NHS Medical Physicist and CEO at Newton’s Tree, explains what sensitivity, specificity, PPV, and NPV really mean, how they work together, and why they are essential for understanding both technical performance and real-world clinical impact. The key takeaway: Sensitivity and specificity describe how an AI model performs in principle. PPV and NPV describe how it performs in practice. You need all four metrics to evaluate healthcare AI safely and responsibly. –––––––––––––––––––––––––––––– 🔔 VIDEO CHAPTERS 00:00 Intro: Why sensitivity and specificity are not enough 00:43 Sensitivity explained: correctly detecting cases 01:06 Specificity explained: avoiding false alarms 01:25 The issue of sensitivity and specificity 01:57 Positive Predictive Value (PPV) explained 02:29 Negative Predictive Value (NPV) explained 02:58 Complete picture (technical and clinical performance) 03:30 Common pitfalls to avoid when evaluating AI metrics 03:53 Summary 04:12 How Newton’s Tree supports safe AI evaluation –––––––––––––––––––––––––––––– 📚 RESOURCES & LINKS Free newsletter → https://www.newtonstree.ai?utm_source... Book a meeting → https://www.newtonstree.ai/contact?ut... Email our team → info@newtonstree.com Website → https://www.newtonstree.ai?utm_source... –––––––––––––––––––––––––––––– 🤝 CONNECT WITH US LinkedIn:   / newtons-tree-ai   Twitter / X: https://x.com/newtonstreeai 💬 Which AI performance metrics does your organisation prioritise when deciding whether a model is safe to deploy in clinical practice? –––––––––––––––––––––––––––––– #HealthcareAI #ClinicalAI #AIMetrics #Sensitivity #Specificity #PPV #NPV #AIValidation #AIinHospitals #SafeAI #AIGovernance #AITrust #DigitalHealth #Newtonstree #MedicalAI #ClinicalSafety #aievaluation