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Table 1 Clinical features of the 93 meningioma patients

From: Programmed death ligand 1 and tumor-infiltrating CD8+ T lymphocytes are associated with the clinical features in meningioma

Clinical features

No.

%

Total

93

100

Age (years)

 Mean ± SD

46.28 ± 16.33

Gender

 Male

21

22.6

 Female

72

77.4

Smoking

 No

80

86.0

 Yes

13

14.0

Drinking

 No

76

81.7

 Yes

17

18.3

Preoperative symptoms

 Visual impairment

19

20.4

 Headache

17

18.3

 Limb weakness

17

18.3

 Epilepsy

9

9.7

Tumor volume (cm3)

 Mean ± SD

47.79 ± 38.56

Peritumoral brain edema

 No

57

61.3

 Yes

36

38.7

Tumor sites

 Convexity

15

16.1

 Skull base

66

71.0

 Ventricle

12

12.9

Simpson grade

 I

27

29.0

 II

21

22.6

 III

33

35.5

 IV

12

12.9

WHO grade

 I

54

58.0

 II

21

22.6

 III

18

19.4

Postoperative brain edema

 No

78

83.9

 Yes

15

16.1

Postoperative limb weakness

 No

87

93.5

 Yes

6

6.5

Postoperative radiotherapy

 No

78

83.9

 Yes

15

16.1