Investigates the medical factors affecting the reliability of artificial heart valves using the proportional hazards model. The data, from a database which is still being assembled at Killingbeck Hospital, Leeds, refer to patients who have had artificial heart valves implanted. The analysis of the data has been carried out using a suite of programs not specifically designed with this application in mind. Illustrates the exploratory analysis, the parameter estimation for the model and the validation of the model, being a preliminary study to assess the value of the proportional hazards model for this area. Follow‐up work, as the database is revised and augmented, is intended.
Bunday, B.D., Kiri, V.A. and Stoodley, K.D.C. (1992), "The Reliability of Artificial Heart Valves ‐ A Case Study for the Proportional Hazards Model", International Journal of Quality & Reliability Management, Vol. 9 No. 1. https://doi.org/10.1108/02656719210007581
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