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Table 1 Patient characteristics and admission values

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
Male 497 (68%) 251 (67.5%) 246 (68.5%) 0.761
Age (mean, SD) 32.4 (18.1) 31.8 (17.8) 33.1 (18.4) 0.318
GCS on admission (missing = 15)
 Mean (SD) 13.02 (3.57) 12.46 (3.9) 13.60 (3.1) < 0.001
 GCS ≤ 8 106 (14.8%) 76 (20.7%) 30 (8.6%) < 0.001
Injury Severity Score
 Median (range) 27 (4–75) 33 (4–75) 24 (4–65) < 0.001
 > 15 (definition of polytrauma) 622 (85.1%) 338 (90.9%) 284 (79.1%) < 0.001
 Mean (SD) NOM patients 26.7 (12.35) 29.3 (12.24) 24.1 (11.92) < 0.001
 Mean (SD) OM patients 31.5 (13.86) 35.8 (12.39) 26.3 (13.84) < 0.001
  1. GCS Glasgow Coma Scale, SD standard deviation, NOM non-operative management, OM operative management