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Table 2 Trauma characteristics

From: Non-operative management of blunt hepatic and splenic injury: a time-trend and outcome analysis over a period of 17 years

  Overall cohort (2000–2016)
n = 731
Early period (2000–2008)
n = 372
Late period (2009–2016)
n = 359
Difference between periods
P
a. Trauma mechanism injury data
Trauma cause (missing = 2)
 Car collision 156 (21.4%) 101 (27.3%) 55 (15.3%) < 0.001
 Motorcycle collision 87 (11.9%) 46 (12.4%) 41 (11.4%)
 Pedestrian or comparable occupational collision 35 (4.8%) 26 (7%) 9 (2.5%)
 Cycling collision 62 (8.5%) 24 (6.5%) 38 (10.6%)
 Winter sports 242 (33.2%) 92 (24.9%) 150 (41.8%)
 Fall from heights 76 (10.4%) 49 (13.2%) 27 (7.5%)
 Trauma in homely environment 47 (6.4%) 20 (5.4%) 27 (7.5%)
 Personal assault 3 (0.4%) 1 (0.3%) 2 (0.6%)
 Horse riding collision (and other animal associated injuries) 21 (2.9%) 11 (3.0%) 10 (2.8%)
b. Organ injury data
Injured organ
 Spleen 280 (38.3%) 123 (33.1%) 157 (43.7%) 0.001
 Liver 368 (50.3%) 192 (51.6%) 176 (49%)
 Combined liver and spleen injury 83 (11.4%) 57 (15.3%) 26 (7.2%)
AAST (Moore) Injury Score (according to admission CT scan; no CT, n = 9)
 Spleen
  No spleen injury 367 (50.8%) 192 (52.7%) 175 (48.9%) 0.008
  I 40 (5.5%) 22 (6%) 18 (5%)
  II 66 (9.1%) 40 (11%) 26 (7.3%)
  III 173 (24.0%) 76 (20.9%) 97 (27.1%)
  IV 47 (6.5%) 15 (4.1%) 32 (8.9%)
  V 29 (4.0%) 19 (5.2%) 10 (2.8%)
Liver
 No liver injury 277 (38.4%) 120 (33.0%) 157 (43.9%) 0.096
 I 43 (6%) 21 (5.8%) 22 (6.1%)
 II 97 (13.4%) 52 (14.3%) 45 (12.6%)
 III 221 (30.6%) 124 (34.1%) 97 (27.1%)
 IV 66 (9.1%) 37 (10.2%) 29 (8.1%)
 V 17 (2.4%) 9 (2.5%) 8 (2.2%)
 VI 1 (0.1%) 1 (0.3%) 0 (0%)
Associated extra-abdominal injuries (AIS ≥ 1)
 Head or neck 267 (36.5%) 173 (46.5%) 94 (26.2%) < 0.001
 Face 101 (13.8%) 52 (14%) 49 (13.6%) 0.897
 Chest 463 (63.3%) 270 (72.6%) 193 (53.8%) < 0.001
 Extremities or pelvic girdle 342 (46.8%) 203 (54.6%) 139 (38.7%) < 0.001
 External (skin and soft tissue) 457 (62.5%) 291 (78.2%) 166 (46.2%) < 0.001
  1. ISS Injury Severity Score, AAST American Association for the Surgery of Trauma, AIS Abbreviated Injury Score