Table 4 Univariate analyses of variables possibly associated with prognosis.

From: The Long-term Outcome After Resection of Upper Cervical Spinal Cord Tumors: Report of 51 Consecutive Cases

influence factor

 

The number of poor prognosis

The number of good prognosis

P value

sex

male

7

16

0.463

female

6

22

 

age

≥60

7

8

0.025

<60

6

30

 

The level of tumor

More than C2

11

10

<0.001

Lower than C2

2

28

 

Tumor size

≥4 cm

8

2

<0.001

<4 cm

3

36

 

Tumor location

Intramedullary

3

6

0.552

Extramedullary

10

32

 

Tumor properties

Benign

9

37

0.016

malignant

4

1

 

surgical resection

GTR

1

25

<0.001

STR

12

13

 

tumor multiplicity

Single

10

36

0.185

More than one

3

2

 

tumor morphology

dumbbell

6

22

0.463

non-dumbbell

7

16