Table 3.

Cox multivariate survival analysis for diffuse astrocytoma patients.

	Overall survival
Variable	HR (95% CI)	p-value
Age (≥50 vs. <50 years)	1.0 (1.01−1.08)	0.0173
WHO grade (III vs. II)	1.6 (0.67−4.14)	0.292
MIB-1 index (>4 vs. ≤4)	1.9 (0.82−5.08)	0.133
PDPN (+ vs. −)	3.9 (1.44−13.69)	0.0058