Table 4. The Definition of VBP .
| Author | Year | Definition |
| Robinson | 2008 | The conceptual ideal of value-based purchasing is the informed, cost-conscious, and sophisticated consumer spending his or her own money and choosing among simple services in a technologically stable environment (10) |
| Obremskey | 2012 |
- Value-based purchasing attempts to assess the added value for physician preference items by linking payment more directly to the quality and efficiency of a new technology regarding patient care - A physician-driven process for technology utilization in patient care (16) |
| Gerecke, G | 2015 | In contrast to price based procurement, VBP is an advanced approach that factors total costs and outcomes into the process (2) |
| Gabriela Prada | 2016 | “Shifting procurement’s traditional focus on short-term cost savings to a more holistic objective that includes health system performance and patient outcomes, giving preference to longer-term cost efficiencies, and working with suppliers to identify opportunities to develop more innovative products and services” (15) |
| Mosessian | 2016 | Value Based Purchasing is a methodology for decision-making that is expected to improve the quality and outcomes of purchasing decisions while maintaining cost control.(23) |
| Jean-Guy | 2017 | Strategic value-based procurement could actually reinvent the future of health care. This patient-centered approach to system integration stresses the quality of procurement, rather than minimization of costs and quantities (27) |
| Messori & Trippoli | 2017 | Application of economic evaluation in term of cost-effectiveness in competitive tenders |
| Krantz | 2017 |
Making deliberate choices on what products and services are needed to provide best-in-class care at an affordable cost through a framework that guide the review and decision making processes by analyzing the cost and clinical outcomes expected from the use of that product or equipment in the care of patients (24) |
| Kull | 2018 |
Set Evidence requirements for medical devices and ensure appropriate incentives awarding innovation and the consideration of patient outcomes (14) |
| Fiona A. Miller | 2019 | Decision making process navigates clinical requirements, cost reduction expectations and innovation opportunities and that this is not an approach dominated by price (4) |
| Federico Pennestrì | 2019 | The process in which providers purchase medical technologies and devices in order to provide good quality healthcare at competitive or sustainable prices (11) |