Subgroups of patients with brain tumours and the corresponding Glu concentrations in CSF. Values are expressed in μΜ

Table 5: Subgroups of patients with brain tumours and the corresponding Glu concentrations in CSF. Values are expressed in μΜ

CSF

Glioma

Glu concentration

(mean ± SE μΜ)

Meningioma

Glu concentration

(mean ± SE μΜ)

Glu Concentration (N of patients)

64.2 ± 18.7 (N = 6)

22.4 ± 7.12 (N = 7)

(p = 09431)

Age

≤ 65 years old

> 65 years old

(N of patients)

80.35 ± 54.00 (N = 2)

56.13 ± 17.99 (N = 4)

25.73 ± 9.150 (N = 5)

61.72 ± 48.16 (N = 2)

Sex

Female

Male

(p)

87.4 ± 31.7 (N = 3)

41.0 ± 14.3 (N = 3)

(0.1904)

16.7 ± 5.1 (N = 6)

56.45 (N = 1)

(0.036)

Grade (WHO 2007)

(p)

II 26.35 (N = 1)

III 51.6 ± 24.6 (N = 3)

IV 102 ± 32.4 (N=2)

(III vs II : 0.3865)

I 16.70 ± 5.07 (N = 6)

II 56.45 ± 0 (N = 1)

(0.036)

Tumor volume

≤ 25 cc

> 25 cc

76.78 ± 31.38 (N = 5)

100.875 ± 0.0(N = 1)

21.67 ± 7.497 (N = 3)

49.76 ± 28.46 (N = 4)

Mass Effect

Yes

(p)

56.1 ± 18.0(N = 4)

80.4 ± 54.0(N = 2)

(1.0)

24.3 ± 9.6 (N = 5)

17.7 ± 11.0(N = 2)

(0.8465)

Mean time of operation from first symptom

≤ 90 days

> 90 days

26.70 ± 0.35 (N = 2)

65.83 ± 21.43 (N = 3)

80.77 ± 39.02 (N = 2)

10.47 ± 5.045 (N = 4)

Seizures

Yes

(p)

56.9 ± 21.1 (N = 5)

100.9 ± 0.0 (N = 1)

(0.584)

6.7 ± 0.0 (N = 1)

24.9 ± 7.8 (N = 6)

(0.025)

Ki67

(p)

≤ 15% 56.0 ± 18.1 (N = 4)

> 15% 80.7 ± 53.7 (N = 2)

(0.817)

≤ 5% 55.7 ± 34.2 (N = 4)

> 5% 22.8 ± 12.3 (N = 3)

(0.3123)

Survival

≤ 1 year 85.26 ± 15.61 (N = 2)

> 1 year 26.78 ± 0.2186 (N = 3)

≤ 2 years 4.695 ± (N = 2)

> 2 years 35.02 ± 7.204 (N = 4)