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