Table 6.

Univariate (Kaplan-Meier) and multivariate regression (Cox regression) analysis regarding DSS

	Univariate regression (log rank)	Multivariate regression (Cox regression)
Age ≥ 80 years	p = 0.087	p = 0.094
Sex	p = 0.128	p = 0.038*
Operation on both sides	p = 0.69	-
Impending vs. manifest fracture	p = 0.72	-
Intramedullary nailing vs. arthroplasty	p = 0.429	-
Visceral metastases	p = 0.087*	p = 0.009*
Pulmonary metastases	p = 0.393	-
Lymphogenic metastases	p = 0.645	-
Cerebral metastases	p = 0.268	-
Complications	p = 0.136	p = 0.188