Table 1 Characteristics of patients grouped by closure method
Group 1 | Group 2 | P- value | |
|---|---|---|---|
Gender | |||
Male | 13 (61.90%) | 19 (70.37%) | 0.85 |
Female | 8 (38.10%) | 8 (29.63%) | |
Age, years | |||
20 to 40 | 3 (14.29%) | 5 (18.52%) | 0.06 |
40 to 60 | 11 (52.38%) | 16 (59.26%) | |
60 to 80 | 7 (33.33%) | 6 (22.22%) | |
Segment of sacrum | |||
S4 to S5 | 1 (4.76%) | 1 (3.70%) | 0.06 |
S4 to S3 | 2 (9.82%) | 4 (14.81%) | |
S2 to S3 | 6 (28.57%) | 7 (25.93%) | |
S1 to S2 | 7 (33.33%) | 10 (37.04%) | |
L5 to S1 | 5 (23.81%) | 5 (18.52%) | |
Pathology | |||
Chordomas | 12 (57.14%) | 14 (51.85%) | 0.05 |
Multiple myelomas | 2 (9.52%) | 3 (11.11%) | |
Metastatic tumors | 2 (9.52%) | 5 (18.52%) | |
Giant-cell tumor | 4 (19.05%) | 3 (11.11%) | |
Others | 1 (4.67%) | 1 (3.70%) | |
Size of tumor, diameter | |||
<10 cm | 11 (52.38%) | 6 (22.22%) | 0.11 |
10 to 20 cm | 7 (33.33%) | 14 (51.85%) | |
>20 cm | 3 (14.29%) | 7 (25.93%) | |
Resection methods | |||
Radical resection | 10 (47.62%) | 14 (51.85%) | 0.02 |
Marginal resection | 6 (28.57%) | 9 (33.33%) | |
Intradural curettage | 5 (23.81%) | 4 (14.81%) | |
Fixation | |||
Yes | 10 (47.62%) | 14 (51.85%) | 0.84 |
No | 11 (52.38%) | 13 (48.15%) | |