Table 1 Demographics table of N = 1156 patients.

From: Comparison of health outcomes between traumatic spinal cord and cauda equina injuries

Variable

Ā 

UMN injury N = 1113 (%)

LMN injury N = 43 (%)

Total cohort N = 1156 (%)

P-value

BCa 95% Confidence Interval

Age category

16–39 years

484 (44%)

19 (44%)

503 (44%)

0.93

(0.00, 0.31)

40–59 years

287 (26%)

10 (23%)

297 (26%)

60+ years

342 (31%)

14 (33%)

356 (31%)

Sex

Male

778 (70%)

30 (70%)

808 (70%)

0.99

(0.00, 0.00)

Female

335 (30%)

13 (30%)

348 (30%)

Level of education attaineda

At high school or not completed

302 (34%)

9 (26%)

311 (34%)

0.95

(0.26, 2.65)

Advanced diploma/certificate

228 (26%)

11 (32%)

239 (26%)

Completed high school

150 (17%)

7 (21%)

157 (17%)

University

171 (19%)

6 (18%)

177 (19%)

Unknown or other

34 (4%)

1 (3%)

33 (4%)

Metropolitan or regional area of residence

Metropolitan area

647 (58%)

30 (70%)

677 (59%)

0.45

(0.37, 8.20)

Regional area

364 (33%)

10 (23%)

374 (32%)

Interstate/overseas/no fixed abode/unknown

102 (9%)

3 (7%)

105 (9%)

Socioeconomic Status (IRSAD)b

1 (most disadvantaged)

154 (14%)

5 (12%)

159 (14%)

0.93

(0.15, 1.16)

2

199 (18%)

7 (16%)

206 (18%)

3

222 (20%)

9 (21%)

231 (20%)

4

244 (22%)

12 (28%)

256 (23%)

5 (least disadvantaged)

265 (24%)

10 (23%)

275 (24%)

Charlson Comorbidity Index weight (CCI)

0

727 (65%)

25 (58%)

752 (65%)

0.60

(0.00, 5.46)

1

248 (22%)

11 (26%)

259 (22%)

>1

138 (12%)

7 (16%)

145 (13%)

Cause of injury

Road trauma

485 (44%)

10 (23%)

495 (43%)

0.006

(2.28, 26.26)

High falls

273 (25%)

15 (35%)

288 (25%)

Low falls

189 (17%)

14 (33%)

203 (18%)

Other

166 (15%)

4 (9%)

170 (15%)

Injury Severity Score > 12c

No

261 (26%)

16 (38%)

277 (26%)

0.07

(0.02, 16.84)

Yes

761 (74%)

26 (62%)

787 (74%)

Spinal surgery during hospital stay

No

634 (57%)

14 (33%)

648 (56%)

0.002

(1.24, 23.34)

Yes

479 (43%)

29 (67%)

508 (44%)

Length of hospital stay in quartiles

Q1 0 to 5.9 days

293 (26%)

11 (26%)

304 (26%)

0.38

(0.07, 8.50)

Q2 6 to 9.9 days

245 (22%)

9 (21%)

254 (22%)

Q3 10 to 18.9 days

305 (27%)

8 (19%)

313 (27%)

Q4 19 to 292 days

270 (24%)

15 (35%)

285 (25%)

Intensive care unit stayd

No ICU stay

815 (73%)

36 (84%)

851 (74%)

0.13

(0.00, 8.27)

ICU stay

297 (27%)

7 (16%)

304 (26%)

Discharge destination

Rehabilitation

563 (51%)

20 (47%)

583 (51%)

0.03

(3.12, 39.06)

Home

423 (38%)

15 (35%)

438 (38%)

Nursing home

10 (1%)

0 (0%)

10 (1%)

Hospital for Convalescence/other

70 (6%)

8 (18%)

78 (7%)

In hospital death

47 (4%)

0 (0%)

47 (4%)

  1. Missing data: a (n = 237); b (n = 29); c (n = 92); d (n = 1).
  2. CCI Charlson Comorbidity Index, Q Quartile, ICU – intensive care unit, IRSAD Index of Relative Socio-economic Advantage and Disadvantage, LMN lower motor neuron, UMN upper motor neuron, BCa Bias-Corrected and Accelerated.