Table 5.

Multivariate analysis for MSTS score

Factor	Relative risk (95% CI)	p value
Age (younger than 40 years)	1.97 (1.06 to 3.67)	0.03
Femur	4.75 (1.93 to 11.69)	< 0.01
Tibia	6.85 (2.68 to 17.52)	< 0.01
Compositea	0.36 (0.19 to 0.72)	< 0.01
No event	2.23 (1.09 to 4.54)	0.03
No graft removal	2.89 (1.15 to 7.30)	0.03

^aComposite means an osteoarticular autograft with a total joint replacement.