Table 1 Characteristics of study participants by SCI etiology.

From: Etiology-specific variation in survival following non-traumatic spinal cord injury: a causal inference approach using data from a population-based cohort

 

Non-traumatic SCI, n (%)

 

Person characteristics

Degenerative disc disorder

Infection

Vascular disorder

Benign tumor

Malignant tumor

Other

Traumatic SCI, n (%)

Overall survival characteristics

 N persons at risk (%)

337 (9.3)

126 (3.5)

368 (10)

129 (3.5)

304 (8.3)

93 (2.6)

2286 (100)

 Person-years at risk

3275

1256

3435

1461

1006

827

30,085

 N deaths

154

51

201

50

236

47

584

Sex

 Female

141 (42.1)

51 (40.8)

139 (37.8)

72 (55.8)

99 (32.6)

42 (45.2)

583 (25.5)

 Male

194 (57.9)

74 (59.2)

229 (62.2)

57 (44.2)

205 (67.4)

51 (54.8)

1703 (74.5)

Age category

 16–30

9 (2.7)

15 (11.9)

17 (4.6)

16 (12.4)

14 (4.6)

12 (12.9)

700 (30.6)

 31–45

48 (14.2)

21 (16.7)

33 (9.0)

19 (14.7)

43 (14.1)

24 (25.8)

575 (25.2)

 45–60

85 (25.2)

40 (31.7)

87 (23.6)

36 (27.9)

72 (23.7)

23 (24.7)

459 (20.1)

 61–75

117 (34.7)

32 (25.4)

166 (45.1)

37 (28.7)

127 (41.8)

22 (23.7)

360 (15.7)

 75+

78 (23.2)

18 (14.3)

65 (17.7)

21 (16.3)

48 (15.8)

12 (12.9)

192 (8.4)

Calendar period of diagnosis

 1990–2000

58 (17.2)

39 (31.0)

103 (28.0)

31 (24.0)

87 (28.6)

19 (20.4)

903 (39.5)

 2000–2011

279 (82.8)

87 (69.0)

265 (72.0)

98 (76.0)

217 (71.4)

74 (79.6)

1,383 (60.5)

SCI severity

 Paraplegia, incomplete

159 (50.5)

59 (50.9)

233 (65.5)

88 (71.5)

199 (68.9)

47 (53.4)

759 (34.2)

 Paraplegia, complete

7 (2.2)

15 (12.9)

56 (15.7)

6 (4.9)

53 (18.3)

13 (14.8)

527 (23.7)

 Tetraplegia, incomplete

146 (46.3)

36 (31.0)

57 (16.0)

29 (23.6)

33 (11.4)

26 (29.5)

709 (31.9)

 Tetraplegia, complete

3 (1.0)

6 (5.2)

10 (2.8)

0 (0.0)

4 (1.4)

2 (2.3)

225 (10.1)

  1. Overall n = 3643; NTSCI = 1357 with a cumulative of 41,344 person-years at risk; NTSCI = 11,260.