Table 3 Multivariate analysis for progression-free survival of early progress

Tumor location, deep vs. superfical

4.750

1.356–16.641

0.015

Tumor subtype, astrocytoma vs. oligodendroglioma

3.508

1.429–8.612

0.006

Tumor range, multiple lobe vs. single lobe

0.667

0.233–1.913

0.451

Preoperative tumor volume, > 30 cm³ vs. ≤ 30 cm³

1.500

0.628–3.579

0.361

 100

1 [Reference]

1 [Reference]

 90–100

5.057

2.096–12.200

0.000

 < 90

6.201

1.705–22.555

0.006