Table 1.

Preoperative characteristics of patients (n = 100) with Karnofsky Performance Scale score (KPS) ≤60 who underwent surgery for an intracranial glioblastoma (GB)

Characteristics	Number (%)
Age (years)*	54 ± 15
Male	51 (51%)
Presenting symptoms
KPS*	53 ± 12
KPS 60	65 (65%)
KPS 40–50	23 (23%)
KPS 20–30	12 (12%)
RPA classes
RPA IV	31 (31%)
RPA V	61 (61%)
RPA VI	8 (8%)
Preoperative symptoms
Seizures	23 (23%)
Headaches/nausea/vomiting	25 (25%)
Sensory deficit	7 (7%)
Motor deficit	54 (54%)
Language deficit	26 (26%)
Visual deficit	16 (16%)
Confusion/memory loss	9 (9%)
Recurrent GB	33 (33%)
Radiographics
Tumor size (cm)*	4.7 ± 1.7
Location
Frontal	51 (51%)
Temporal	15 (15%)
Parietal	28 (28%)
Occipital	6 (6%)
Hemorrhagic	15 (15%)
Periventricular	48 (48%)

RPA = recursive partitioning analysis.

^*Mean ± standard deviation.