Article Figures & Data
Figures
- Figure
Distribution of patients receiving short-segment fixation (SSF) or long-segment fixation (LSF) according to the level of injury.
Tables
Variable n (%) SSF
(n = 133)LSF
(n = 306)P Value Age ≤39 y 233 (53.1%) 78 (58.6%) 155 (50.7%) 0.075 Men 324 (73.8%) 93 (69.9%) 231 (75.5%) 0.223 Public hospital 358 (81.5%) 101 (75.9%) 257 (83.9%) 0.046 Hypertension 33 (7.5%) 4 (3.0%) 29 (9.5%) 0.018 Diabetes mellitus 19 (4.3%) 5 (3.8%) 14 (4.6%) 0.699 Obesity 12 (2.7%) 5 (3.8%) 7 (2.3%) 0.282a Smoker 35 (8.0%) 10 (7.5%) 25 (8.2%) 0.817 Preoperative medical instability 105 (23.9%) 16 (12.0%) 89 (29.1%) <0.001 Implant’s availability 82 (18.7%) 29 (21.8%) 53 (17.3%) 0.268 AO Spine injury B2 245 (55.8%) 107 (80.5%) 138 (45.1%) <0.001 B3 14 (3.2%) 7 (5.3%) 7 (2.3%) 0.094a C 180 (41.0%) 19 (14.3%) 161 (52.6%) <0.001 Level of injury Upper thoracic 65 (14.8%) 5 (3.8%) 60 (19.6%) <0.001 Midthoracic 78 (17.8%) 9 (6.8%) 69 (22.5%) <0.001 Thoracolumbar 265 (60.4%) 106 (79.7%) 159 (51.9%) <0.001 Lumbar 31 (7.1%) 13 (9.8%) 18 (5.9%) 0.144 Neurological status AIS A 125 (28.5%) 9 (6.8%) 116 (37.9%) <0.001 AIS B 23 (5.2%) 4 (3.0%) 19 (6.2%) 0.167 AIS C 30 (6.8%) 8 (6.0%) 22 (7.2%) 0.654 AIS D 34 (7.7%) 14 (10.5%) 20 (6.5%) 0.151 AIS E 227 (51.7%) 98 (73.7%) 129 (42.2%) <0.001 Abbreviations: AIS, ASIA Impairment Scale; ASIA, American Spinal Injury Association; LSF, long-segment fixation; SSF, short-segment fixation.
↵a Fisher’s exact test.
Variable Univariate Multivariate OR (95% CI) P Value OR (95% CI) P Value Age ≤39 y 0.72 (0.48–1.09) 0.075 1.72 (1.03–2.87) 0.038 Men 0.76 (0.48–1.19) 0.223 Public hospital 0.60 (0.36–0.99) 0.046 Hypertension 0.29 (0.10–0.86) 0.018 0.25 (0.08–0.81) 0.021 Diabetes mellitus 0.82 (0.29–2.31) 0.699 Obesity 1.67 (0.52–5.36) 0.282 Smoker 0.91 (0.43–1.96) 0.817 Preoperative medical instability 0.33 (0.19–0.59) <0.001 Implant availability 1.33 (0.80–2.21) 0.268 AO Spine injury B2 5.01 (3.09–8.13) <0.001 3.54 (1.80–6.96) <0.001 B3 2.37 (0.82–6.91) 0.094 9.41 (2.23–39.61) 0.002 C 0.15 (0.09–0.26) <0.001 Level of injury Upper thoracic 0.16 (0.06–0.41) <0.001 0.11 (0.03–0.38) 0.001 Midthoracic 0.25 (0.12–0.52) <0.001 0.17 (0.05–0.52) 0.002 Thoracolumbar 3.63 (2.25–5.86) <0.001 Lumbar 1.73 (0.82–3.65) 0.144 Neurological status AIS A 0.12 (0.06–0.24) <0.001 0.32 (0.13–0.78) 0.012 AIS B 0.47 (0.17–1.40) 0.167 AIS C 0.83 (0.36–1.91) 0.654 AIS D 1.68 (0.82–3.44) 0.151 AIS E 3.84 (2.45–6.01) <0.001 Abbreviations: AIS, ASIA Impairment Scale; ASIA, American Spinal Injury Association; SSF, short-segment fixation;
a Fisher’s exact test.
Variable Total (N = 439) SSF (n = 133) LSF (n = 306) P Value Any complication 192 (43.7%) 36 (27.1%) 156 (50.9%) <0.001 Pneumonia 64 (14.6%) 8 (6.0%) 56 (18.3%) 0.001 Urinary tract infection 59 (13.4%) 9 (6.8%) 50 (16.3%) 0.007 Deep vein thrombosis 8 (1.8%) 0 (0%) 8 (2.6%) 0.054a Pulmonary thromboembolism 3 (0.7%) 0 (0%) 3 (1.0%) 0.338a Postoperative hematoma 4 (0.9%) 0 (0%) 4 (1.3%) 0.235a Cerebrospinal fluid leak 7 (1.6%) 1 (0.8%) 6 (2.0%) 0.321 Wound infection 35 (8.0%) 8 (6.0%) 27 (8.8%) 0.318 Wound dehiscence 17 (3.9%) 2 (1.5%) 15 (4.9%) 0.09 Neurological impairment 1 (0.2%) 0 (0%) 1 (0.3%) 0.697a Reintervention 24 (5.5%) 5 (3.8%) 19 (6.2%) 0.299 Mortality 3 (0.7%) 0 (0%) 3 (1.0%) 0.338a Abbreviations: LSF, long-segment fixation; SSF, short-segment fixation.
↵a Fisher’s exact test.
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