Table 1 Baseline characteristics
Characteristic | Group A | Group B | P value |
|---|---|---|---|
(n = 20) | (n = 20) | ||
Age at surgery, mean (SD), years | 70.0 (15.0) | 66.3 (9.5) | 0.06 |
Sex, n (%) | 0.6 | ||
Male | 16 (80) | 16 (80) | |
Female | 4 (20) | 4 (20) | |
Metastatic tumor diagnosis, n (%) | |||
Liver | 5 (25) | 5 (25) | |
Lung | 3 (15) | 4 (20) | |
Prostate | 1 (5) | 2 (10) | |
Thyroid | 2 (10) | 1 (5) | |
Kidney | 2 (10) | 1 (5) | |
Breast | 1 (5) | 1 (5) | |
Gastric | 0 | 2 (10) | |
Others | 6 (30) | 4 (20) | |
Main level of tumors, n (%) | 0.02 | ||
Thoracic | 8 (40) | 15 (75) | |
Lumbar | 12 (60) | 5 (25) | |
Preoperative modified Frankel category, n (%) | 0.02 | ||
A | 0 | 1 (5) | |
B | 0 | 2 (10) | |
C | 2 (10) | 7 (35) | |
D1 | 10 (50) | 5 (25) | |
D2 | 0 | 3 (15) | |
D3 | 3 (15) | 2 (10) | |
E | 5 (25) | 0 | |
Revised Tokuhashi score, mean (SD) | 7.2 (2.9) | 5.8 (2.2) | 0.1 |
SINS, mean (SD) | 10.5 (1.9) | 9.0 (2.0) | 0.04 |
ESCCS, n (%) | 0.1 | ||
0 | 2 (10) | 0 | |
1a | 2 (10) | 0 | |
1b | 0 | 1 (5) | |
1c | 1 (5) | 1 (5) | |
2 | 10 (50) | 6 (30) | |
3 | 5 (25) | 12 (60) | 0.6 |
Preoperative VAS, mean (SD) | 5.7 (2.2) | 6.0 (2.4) | 0.6 |
Preoperative Barthel index, mean (SD) | 65.5 (32.7) | 41.0 (34.2) | 0.06 |