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

Table 6: Subgroups of patients with brain tumours and the corresponding Glu concentrations in peripheral blood. Values are expressed in μΜ.

PLASMA

Glioma Glu concentration

Mean ± SE μΜ

Meningioma Glu concentration

Mean ± SE μΜ

Glu Concentration

(N of patients)

(p)

103.0 ± 16.6 (N = 15)

78.5 ± 11.4 (N = 13)

(0.3334)

Age

≤ 65 years old

> 65 years old

99.74 ± 20.57 (N = 6)

105.2 ± 25.04 (N = 9)

60.01 ± 9.123 (N = 7)

100.0 ± 19.65 (N = 6)

Sex

Female

Male

(p)

109.6 ± 27.8 (N = 7)

97.2 ± 21.1 (N = 8)

(0.7723)

67.50 ± 12.57 (N = 10)

115.0 ± 11.73 (N = 3)

(0.0519)

Grade (WHO)

(p)

II 137.05 ± 0.0 (N = 1)

III 74.7 ± 13.1 (N = 2)

IV 104.9 ± 20.4 (N = 12)

(III vs II:0.6481)

I 78.8 ± 13.40 (N = 11)

II 76.8 ± 15.9 (N = 2)

(0.9214)

Tumor volume

≤ 25cc

> 25cc

107.1 ± 26.88 (N = 8)

101.0 ± 34.59 (N = 4)

71.72 ± 14.78 (N = 5)

95.12 ± 19.43 (N = 6)

Mass Effect

(p)

Yes

83.7 ±14.3 (N = 12)

180.1 ± 38.0 (N = 3)

(0.0253 < 0.05)

86.1 ± 13.7 (N = 10)

53.1 ± 12.4 (N = 3)

(0.3525)

Mean time of operation from first symptom

≤ 90 days

> 90 days

95.03 ± 20.31 (N = 8)

121.4 ± 35.64 (N = 5)

100.0 ± 23.56 (N = 5)

51.93 ± 7.931 (N = 50029

Seizures

(p)

Yes

129.7 ± 23.7 (N = 7)

79.6 ± 21.1 (N = 8)

(0002E093)

43.1 ± 6.7 (N = 4)

94.2 ± 13.0 (N = 9)

( 0.025 < 0.05)

Ki67

(p)

≤ 15% 94.34 ± 19.00 (N = 8)

> 15% 86.25 ± 24.86 (N = 5)

(0.7144)

≤ 5% 80.54 ± 16.39 (N = 6)

> 5% 61.53 ± 9.098 (N = 6)

(0.3785)

Survival

≤ 1 year 106.5 ± 28.60 (N = 7)

> 1 year 102.7 ± 23.83 (N = 6)

≤ 2 years 77.26 ± 19.81(N = 7)

> 2 years 88.65 ± 8.50 (N = 5)