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Table 1 Characteristics for 151 patients stratified by splenic injury grade

From: Treatment of splenic trauma in Norway: a retrospective cohort study

  All patients OIS 1&2 OIS 3 OIS 4&5
Patients, n 151a 50 53 47
ISS, median (IQR) 16 (9,24) 13 (6,24) 13 (9,22) 17 (16,25)
Transfusion ≥1 unit RBC, n (%) 52 (34) 10 (20) 20 (38) 22 (47)
Length of stay in hospital (days), median (IQR) 5 (2,10) 4 (2,8) 6 (4,11) 6 (1,11)
Length of stay in ICU or HDU (days), median (IQR) 1.5 (1,3) 1 (0,2) 2 (1,4) 1 (1,3)
Non-operative treatment
Observation alone, n (%) 108 (72)a 47 (94) 38 (72) 22 (47)
Angiography with or without embolization, n (%) 20 (13) 2 (4) 7 (13) 11 (23)
Operative treatment
Splenectomy/spleen-preserving surgery, n/n (%) 20/3 (15) 0/1(2) 7/1 (15) 13/1 (30)
  1. OIS Organ Injury Scale, ISS Injury Severity Score, n number of patients, RBC Red blood cells, IQR Inter Quartile Range, ICU Intensive Care Unit, HDU High Dependency Unit, aunknown OIS for 1 patient