Table 3 Number of cases, mean age and AIS of each non-traumatic etiology.

From: Epidemiology features of traumatic and non-traumatic spinal cord injury in China, Wuhan

Non-traumatic etiology

Demyelinating disease

Neoplasm

Degenerative disease

Vascular disease

Infectious disease

Others

Overall

Number of cases (%)

21(19.09%)

38(34.54%)

11(10.02%)

14(12.72%)

19(17.27%)

7(6.36%)

110(100%)

Mean age at injury

55.3 ± 12.5

57.2 ± 10.4

43.8 ± 8.4

54.1 ± 14.1

51.9 ± 13.5

57 ± 12.4

54.8 ± 16.4

\({\mathrm{Type and severity of injury}}^{{\text{a}}}\)

 Complete tetraplegia

0(0%)

1(0.90%)

0(0%)

0(0%)

0(0%)

0(0%)

1(0.90%)

 Incomplete tetraplegia

2(1,81%)

4(3.63%)

5(4.54%)

3(2.72%)

2(1.81%)

1(0.90%)

17(15.45%)

 Complete paraplegia

0(0%)

1(0.90%)

1(0.90%)

1(0.90%)

0(0%)

0(0%)

3(2.72%)

 Incomplete paraplegia

14(12.72%)

16(14.54%)

23(20.90%)

13(11.81%)

13(11.81%)

10(9.09%)

89(80.93%)

\({{\text{AIS}}}^{{\text{a}}}\)

 A

1(0.90%)

0(0%)

0(0%)

3(2.72%)

2(1.81%)

0(0%)

6(5.45%)

 B

2(1.81%)

1(0.90%)

3(2.72%)

3(2.72%)

6(5.45%)

2(1.81%)

17(15.45%)

 C

3(2.72%)

10(9.09%)

4(3.63%)

4(3.63%)

3(2.72%)

4(3.63%)

28(25.45%)

 D

13(11.81%)

19(17.27%)

10(9.09%)

7(6.36%)

6(5.45%)

4(3.63%)

59(53.65%)

  1. Values are presented as mean ± standard deviation or number (%).
  2. AIS, American Spinal Injury Association impairment scale.
  3. aNumbers in parentheses indicate percentages among same etiology.