Skip to main content

Table 1 Patient and tumor characteristics

From: Delayed postoperative radiotherapy increases the incidence of radiographic local tumor progression before radiotherapy and leads to poor prognosis in spinal metastases

Characteristic NPBRa PBRa P-value
Age (years) 53.7 ± 11.5 59.4 ± 11.8 0.082
Sex    0.386
 Male 43 (57.3%) 10 (71.4%)  
 Female 32 (42.7%) 4 (28.6%)  
Tumor histology    0.404
Renal 17 (22.7%) 3 (21.4%)  
 Lung 16 (21.3%) 3 (21.4%)  
 Breast 13 (17.3%) 0 (0.0%)  
 Thyroid 5 (6.7%) 3 (21.4%)  
 Hepatocellular 3 (4.0%) 1 (7.1%)  
 Colorectal 4 (5.3%) 1 (7.1%)  
 Others 17 (22.7%) 3 (21.4%)  
Location    0.341
 Cervical 20 (26.7%) 7 (50.0%)  
 Thoracic 31 (41.3%) 5 (35.7%)  
 Lumbar 15 (20.0%) 1 (7.1%)  
 Cervical and thoracic 3 (4.0%) 1 (7.1%)  
 Thoracic and lumbar 6 (8.0%) 0 (0.0%)  
ESCC grade    0.244
 0 1 (1.3%) 0 (0.0%)  
 1b 1 (1.3%) 0 (0.0%)  
 1c 5 (6.7%) 1 (7.1%)  
 2 21 (28.0%) 8 (57.1%)  
 3 47 (62.7%) 5 (35.7%)  
SINS 11.1 ± 2.2 10.4 ± 2.2 0.247
Tomita score 5.2 ± 2.0 4.9 ± 1.9 0.657
Tokuhashi score 8.4 ± 2.8 9.0 ± 2.9 0.453
Operation types    0.436
 Separation surgery 44 (58.7%) 7 (50.0%)  
 Decompression surgery 20 (26.7%) 3 (21.4%)  
 Vertebrectomy 11 (14.7%) 4 (28.6%)  
Radiotherapy methods    1.000
 IMRT 21 (28.0%) 4 (28.6%)  
 SBRT 54 (72.0%) 10 (71.4%)  
  1. ESCC, epidural spinal cord compression; IMRT, intensity-modulated radiotherapy; NPBR, no progression before radiotherapy; PBR, progression before radiotherapy; SBRT, stereotactic body radiotherapy; SINS, spine instability neoplastic score
  2. aValues are expressed as mean ± standard deviation or number of patients (percentage in each group)