Table 2.

Baseline characteristics

Characteristic	Value
Gender (n = 101)
Female	56 (55 %)
Male	45 (45 %)
Age at surgery, years (n = 101)	60.3 (SD 11.2)
Primary tumor type (n = 101)
Breast	25 (25 %)
Multiple myeloma	25 (25 %)
Lung	13 (13 %)
Kidney	10 (10 %)
Prostate	5 (5 %)
Other	23 (22 %)
Clinical presentation (n = 101)
Back pain	53 (52 %)
Radicular pain	7 (7 %)
Combined radicular and back pain	20 (20 %)
Impending fracture without significant pain	21 (21 %)
Karnofsky performance status (n = 98)
100 %	4 (4 %)
80–90 %	46 (47 %)
60–70 %	28 (28 %)
40–50 %	20 (21 %)
<30 %	0 (0 %)
Preoperative ASIA scale (n = 101)
E	94 (93 %)
D	6 (6 %)
A/B/C	1 (1 %)

ASIA American Spinal Injury Association