|
Characteristics
|
Cases (n = 592)
|
Controls (n = 502)
|
p
|
|---|
|
Age (Mean ± SD, years)
|
40.53 ± 13.90
|
40.46 ± 18.08
|
0.934a
|
|
Gender (Males/Females)
|
326/266
|
275/227
|
0.924b
|
|
WHO grade
|
|
I
|
43
| | |
|
II
|
335
| | |
|
III
|
149
| | |
|
IV
|
65
| | |
|
Surgical method
|
|
STR
|
177
| | |
|
NTR
|
8
| | |
|
GTR
|
407
| | |
|
Radiotherapy
|
|
No
|
58
| | |
|
Conformal radiotherapy
|
159
| | |
|
Gamma knife
|
375
| | |
|
Chemotherapy
|
|
No
|
349
| | |
|
Yes
|
243
| | |
|
Survival condition
|
|
Survival
|
41
| | |
|
Lost to follow-up
|
24
| | |
|
Death
|
527
| | |
- Abbreviations: WHO World Health Organization, NTR Near-total resection, STR Sub-total resection, GTR Gross-total resection
- a p values was calculated by independent samples T test
- b p values was calculated by Chi-square tests
