Skip to main content

Table 5 Logistic regression analysis of risk factors affecting prostheses aseptic loosening

From: Aseptic loosening of tumor prostheses in distal femur after revision surgery: a retrospective study

Variable

OR ratio

95% CI

p-value

The ratio of extramedullary length to the intramedullary stem length greater than 1

0.800

0.149, 4.297

0.795

The ratio of the length of the prostheses to the length of the femur less than 0.8

4.467

0.702, 31.036

0.111

The ratio of intramedullary stem diameter to the femoral diameter less than 30%

0.167

0.016, 1.718

0.132

Knee valgus or genu varus after surgerya

5.000

0.821, 30.461

0.081

  1. aKnee varus was defined as a postoperative hip-knee-ankle angle < 177°, and genu valgus was defined as a postoperative hip-knee-ankle angle > 183