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. 1991 Sep;73(5):729-31.
doi: 10.1302/0301-620X.73B5.1894659.

Survivorship analysis and confidence intervals. An assessment with reference to the Stanmore total knee replacement

A W Lettin  1 , H S Ware, R W Morris
Affiliations

Survivorship analysis and confidence intervals. An assessment with reference to the Stanmore total knee replacement

A W Lettin et al. J Bone Joint Surg Br. 1991 Sep.

Erratum in

  • J Bone Joint Surg Br 1992 Jan;74(1):160

Abstract

Survivorship analysis is a useful way of expressing the long-term results of joint replacement: it provides a means of comparing the life span of one type of prosthesis with another. However, such studies should include a full life-table and the confidence intervals for the survival rates at given times. At least 40 surviving prostheses are required to provide reliable results.

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