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Table 2 Comparison of the characteristics of splenic injury patients by hospital level and year of injury (n = 11,551)

From: Hospital level variations in the trends and outcomes of the nonoperative management of splenic injuries – a nationwide cohort study

  2002–2005 2006–2009 2010–2013   2002–2005 2006–2009 2010–2013  
Tertiary Center p value Non-center p value
Gender        0.106        0.081
 Male 1057 (73.0%) 1070 (70.4%) 1056 (69.6%)   1631 (71.2%) 1696 (71.5%) 1652 (68.8%)  
 Female 391 (27.0%) 450 (29.6%) 461 (30.4%)   660 (28.8%) 677 (28.5%) 750 (31.2%)  
Age group        0.262        0.079
 18–40 862 (59.5%) 850 (55.9%) 854 (56.3%)   1236 (54.0%) 1205 (50.8%) 1203 (50.1%)  
 40–65 452 (31.2%) 517 (34.0%) 521 (34.3%)   797 (34.8%) 868 (36.6%) 896 (37.3%)  
 > 65 134 (9.3%) 153 (10.1%) 142 (9.4%)   258 (11.3%) 300 (12.6%) 303 (12.6%)  
Management        < 0.001*        < 0.001*
 Non-operative 816 (56.4%) 987 (64.9%) 1101 (72.6%)   994 (43.4%) 1207 (50.9%) 1392 (58.0%)  
 Surgical 632 (43.6%) 533 (35.1%) 416 (27.4%)   1297 (56.6%) 1166 (49.1%) 1010 (42.0%)  
Associated injury               
 Traumatic brain injury 248 (17.1%) 279 (18.4%) 248 (16.3%) 0.337 421 (18.4%) 360 (15.2%) 388 (16.2%) 0.011*
 Cardiopulmonary injury 63 (4.4%) 118 (7.8%) 165 (10.9%) < 0.001* 57 (2.5%) 106 (4.5%) 130 (5.4%) < 0.001*
 Hemothorax 245 (16.9%) 288 (18.9%) 305 (20.1%) 0.08 260 (11.3%) 377 (15.9%) 433 (18.0%) < 0.001*
 Gastrointestinal injury 147 (10.2%) 122 (8.0%) 91 (6.0%) < 0.001* 238 (10.4%) 183 (7.7%) 179 (7.5%) < 0.001*
 Kidney injury 168 (11.6%) 192 (12.6%) 186 (12.3%) 0.687 225 (9.8%) 222 (9.4%) 252 (10.5%) 0.417
 Liver injury 179 (12.4%) 211 (13.9%) 170 (11.2%) 0.082 304 (13.3%) 288 (12.1%) 268 (11.2%) 0.086
 Pelvic fracture 70 (4.8%) 76 (5.0%) 63 (4.2%) 0.503 71 (3.1%) 87 (3.7%) 84 (3.5%) 0.551
 Femoral fracture 80 (5.5%) 71 (4.7%) 68 (4.5%) 0.376 79 (3.4%) 82 (3.5%) 103 (4.3%) 0.214
 Spinal fracture 51 (3.5%) 65 (4.3%) 86 (5.7%) 0.016* 46 (2.0%) 57 (2.4%) 89 (3.7%) 0.001*
Hospital length of stay days (median [IQR]) 10 [6, 15] 9 [6, 16] 9 [6, 15] 0.005* 9 [6, 14] 9 [6, 14] 9 [6, 13] 0.116
ICU length of stay days (median [IQR]) 2 [1, 4] 2 [1, 4] 2 [1, 4] 0.029* 2 [0, 4] 2 [1, 4] 2 [1, 4] 0.001*
Ventilator support days(median [IQR]) 0 [0, 2] 0 [0, 2] 0 [0, 2] 0.002* 0 [0, 1] 0 [0, 2] 0 [0, 2] 0.03*
In-hospital mortality 129 (8.9%) 143 (9.4%) 109 (7.2%) 0.071 172 (7.5%) 208 (8.8%) 184 (7.7%) 0.221
ISS ≥ 16 192 (13.3%) 398 (26.2%) 547 (36.1%) < 0.001* 224 (9.8%) 328 (13.8%) 520 (21.6%) < 0.001*
  1. COPD chronic obstructive pulmonary disease, IQR interquartile range
  2. *Statistically significant difference
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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241