Table 3. Multivariate Analysis of Potential Factors Affecting Recurrence-Free Survival in 106 Meningiomas Patients.

Variable	B	SE	Wald	df	Sig.	HR	95.0% CI for HR
							Lower	Upper
WHO Grade	0.824	0.235	12.231	1	0.000*	2.279	1.436	3.615
RLIP76	1.187	0.379	9.808	1	0.002*	3.277	1.559	6.888
Ki-67	1.393	0.458	9.251	1	0.002*	4.026	1.641	9.877

B, regression coefficient; Wald, wald statistics; df, degree of freedom; HR, hazard rate

* P<0.05 was considered statistically significant.