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Table 1 Study characteristics by SCI type and overall

From: Epidemiology and contemporary risk profile of traumatic spinal cord injury in Switzerland

Variable Tetraplegia Paraplegia Overall P-value
Sex (n; %)     <0.001
 Male 325 (79.7) 368 (70.2) 693 (74.4)  
 Female 83 (20.3) 156 (29.8) 239 (25.6)  
Mean age at injury (Median; S.D.; Min-Max) 53.5 (56; 19.8; 16–93) 43.8 (40; 18.6; 16–90) 48.0 (47; 19.7; 16–93)  
Age at injury (n, %)     <0.001
 16–30 72 (17.7) 158 (30.2) 230 (24.7)  
 31–45 70 (17.2) 149 (28.4) 219 (23.5)  
 46–60 94 (23.0) 110 (21.0) 204 (21.9)  
 61–75 108 (26.5) 70 (13.4) 178 (19.1)  
 76+ 64 (15.7) 37 (7.1) 101 (10.8)  
Etiology (n; %)     <0.001
 Sports and leisure 121 (29.7) 126 (24.1) 247 (26.5)  
 Transport 103 (25.3) 110 (21.0) 213 (22.9)  
 Fall 157 (38.5) 189 (36.1) 346 (37.1)  
 Other cause 27 (6.6) 99 (18.9) 126 (13.5)  
AIS (n; %)     <0.001
 A 81 (19.9) 183 (34.9) 264 (28.3)  
 B 51 (12.5) 47 (9.0) 98 (10.5)  
 C 83 (20.3) 84 (16.0) 167 (17.9)  
 D 178 (43.6) 192 (36.6) 370 (39.7)  
 E 7 (1.7) 5 (1.0) 12 (1.3)  
 Unknown 8 (2.0) 13 (2.5) 21 (2.3)  
Lesion level and AIS (n; %)     
 C1-C4; A,B,C - - 86 (9.2)  
 C5-C8; A,B,C - - 71 (7.6)  
 T1-S5; A,B,C - - 284 (30.5)  
 All D - - 370 (39.7)  
 All E - - 12 (1.3)  
 Unknown - - 109 (11.7)  
  1. SD standard deviation, AIS American Spinal Injury Association impairment scale, P-value from Pearson’s chi-square test comparing paraplegia and tetraplegia