Clinical Results of Minimally Invasive Spine Stabilization for the Management of Metastatic Spinal Tumors Based on the Epidural Spinal Cord Compression Scale
Table 1
Baseline characteristics of group A (ESCCS 0,1,2) and group B (ESCCS 3).
Characteristic
Group A (n=34)
Group B (n=22)
P value
Age at surgery, mean (SD), years
69.9 (8.1)
63.4 (15.1)
0.07
Sex, n (%)
Male
11 (32.4)
2 (9.1)
0.04
Female
23 (67.6)
20 (90.9)
Metastatic tumor diagnosis, n (%)
Lung
10 (29.4)
2 (13.6)
0.23
Prostate
2 (5.9)
5 (22.7)
Liver
5 (14.7)
5 (22.7)
Gastric
1 (2.9)
2 (9.1)
Kidney
4 (11.8)
0
Breast
0
2 (9.1)
Thyroid
2 (5.9)
1 (4.5)
Others
9 (26.4)
5 (22.7)
Unknown
1 (8.3)
0
Main spinal level of compression, n (%)
Thoracic
15 (44.1)
7 (31.8)
0.35
Lumbar
19 (55.9)
15 (68.2)
Preoperative ASIA classification, n (%)
A
0
1 (4.5)
0.49
B
1 (2.9)
1 (4.5)
C
6 (17.6)
6 (27.3)
D
20 (58.8)
12 (54.5)
E
7 (20.6)
2 (9.1)
Revised Tokuhashi score, n (%)
0-8
26 (76.5)
16 (72.7)
0.92
9-11
7 (20.6)
5 (22.7)
12-15
1 (2.9)
1 (4.5)
Spinal instability neoplastic score, n (%)
0-6
3 (8.8)
1 (4.5)
0.28
7-12
30 (88.2)
18 (81.8)
13-18
1 (2.9)
3 (13.6)
Epidural spinal cord compression scale, n (%)
0
3 (8.8)
0
<0.001
1a
4 (11.8)
0
1b
1 (2.9)
0
1c
3 (8.8)
0
2
23 (67.6)
0
3
0
22 (100)
Preoperative visual analogue scale, mean (SD)
5.5 (2.1)
6.1 (2.3)
0.35
Preoperative Barthel index, mean (SD)
67.7 (30.8)
50.0 (38.3)
0.07
ASA physical status classification, n (%)
1
2 (5.9)
2 (9.1)
0.76
2
27 (79.4)
18 (81.8)
3
5 (14.7)
2 (9.1)
Type of surgery, n (%)
Scheduled
32 (94.1)
19 (86.4)
0.40
Urgent
2 (5.9)
1 (4.5)
Emergency
0
2 (9.1)
ASIA, American Spinal Injury Association; ASA, American Society of Anesthesiologists.