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Table 2 Kaplan-Meier analysis for overall survival rate of patients with gliomas

From: Tumor-derived hepatocyte growth factor is associated with poor prognosis of patients with glioma and influences the chemosensitivity of glioma cell line to cisplatin in vitro

Characteristics

Mean survival time (months)

95% confidence interval (months)

P values*

Age (years)

   

<47 (n = 37)

33.98 ± 3.67

26-41

0.324

≥47 (n = 39)

26.63 ± 3.16

20-32

 

Gender

   

Male (n = 52)

31.46 ± 3.09

25-37

0.985

Female (n = 24)

25.92 ± 3.41

19-32

 

Histological grade

   

High grade (WHO III-IV) (n = 41)

13.61 ± 1.47

10-16

0.001

Low grade (WHO I-II) (n = 35)

52.45 ± 2.31

47-56

 

Tumor recurrence

   

No (n = 57)

30.49 ± 3.01

24-36

0.672

Yes (n = 19)

30.42 ± 4.13

22-38

 

HGF expression

   

High expression (n = 45)

21.46 ± 2.93

15-27

0.001

Low expression (n =31)

43.67 ± 3.04

37-49

 

Cell proliferation

   

High PI (n = 43)

14.41 ± 1.60

11-17

0.001

Low PI (n = 33)

53.44 ± 2.13

49-57

 

Intratumoral microvessel density

   

≥ Mean IMD value (n = 27)

24.46 ± 4.05

16-32

0.079

< Mean IMD value (n = 49)

34.55 ± 3.13

28-40

 
  1. *Log rank test.