Table 5 Uni- and multivariate logistic regression of variables with potential associations with increased 90-day mortality

Characteristic

Nonmissing values

Alive, N = 1836¹, N (%)

Dead < 90 days, N = 153¹, N (%)

Dead > 90 days, N = 164¹, N (%)

OR²

95% CI²

p value

OR²

95% CI²

p value

Age

2151

58 (40, 73)

83 (73, 90)

83 (74, 89)

1.06

1.05, 1.08

 < 0.001

1.06

1.04, 1.08

 < 0.001

Sex

2153

 Female

570 (31)

62 (41)

68 (41)

 Male

1266 (69)

91 (59)

96 (59)

0.69

0.49, 0.97

0.029

1.50

0.96, 2.38

0.076

Comorbidity

2052

 ASA 1–2

1222 (70)

27 (18)

20 (13)

 ASA 3–5

525 (30)

120 (82)

138 (87)

8.33

5.51, 13.0

 < 0.001

3.96

2.06, 7.95

 < 0.001

Living

1977

 Independent living

1534 (91)

67 (48)

77 (52)

 Dependent living

156 (9.2)

73 (52)

70 (48)

7.77

5.42, 11.1

 < 0.001

2.74

1.65, 4.62

 < 0.001

Level of Cs-Fx

2153

 C0-C2

642 (35)

83 (54)

82 (50)

 C0-C2 & C3-Th1

136 (7.4)

7 (4.6)

11 (6.7)

0.42

0.17, 0.86

0.030

0.62

0.19, 1.69

0.4

 C3-Th1

1058 (58)

63 (41)

71 (43)

0.49

0.35, 0.68

 < 0.001

0.96

0.59, 1.55

0.9

SCI—AIS grade

2152

 AIS A & B

51 (2.8)

19 (12)

2 (1.2)

 AIS C & D

158 (8.6)

4 (2.6)

15 (9.2)

0.06

0.02, 0.18

 < 0.001

0.03

0.00, 0.11

 < 0.001

 AIS E

1627 (89)

130 (85)

146 (90)

0.20

0.12, 0.36

 < 0.001

0.09

0.04, 0.21

 < 0.001

Multitrauma

2020

 No

811 (47)

55 (40)

79 (55)

 Yes

927 (53)

84 (60)

64 (45)

1.37

0.97, 1.96

0.078

1.00

0.46, 2.04

 > 0.9

TBI—HISS grade

2020

Severe

49 (2.8)

28 (20)

1 (0.7)

 Mild

478 (28)

28 (20)

28 (20)

0.10

0.05, 0.18

 < 0.001

0.02

0.01, 0.04

 < 0.001

 Moderate

96 (5.5)

14 (10)

8 (5.6)

0.24

0.11, 0.49

 < 0.001

0.06

0.02, 0.16

 < 0.001

 None/minimal

1115 (64)

69 (50)

106 (74)

0.10

0.06, 0.17

 < 0.001

0.02

0.01, 0.04

 < 0.001

Thoracolumbar Fx

2020

 No

1439 (83)

118 (85)

127 (89)

 Yes

299 (17)

21 (15)

16 (11)

0.88

0.53, 1.40

0.6

1.39

0.70, 2.71

0.3