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Table 1 Characteristics of non-operatively managed patients compared by success or failure of non-operative management

From: The song remains the same although the instruments are changing: complications following selective non-operative management of blunt spleen trauma: a retrospective review of patients at a level I trauma centre from 1996 to 2007

Variable Failure of NOM N = 53 (14) n (%) Successful NOMN = 335 (86) n (%)
Sex   
Male 39 (74) 239 (71)
Female 14 (26) 96 (29)
Time from injury to hospital arrival (hours)   
Less than 1 hour 20 (38) 85 (25)
1 to 4 hours 13 (25) 116 (35)
4 to 24 hours 11 (21) 98 (29)
More than 24 hours 3 (6) 9 (3)
Not documented 6 (11) 27 (8)
Received pRBCs g in the first 4 hours   
Yes 22(42) 43(13)
No 30(56) 286(85)
Not documented 1 (2) 6 (2)
Received pRBCs g during hospital admission   
Yes 40(75) 109(33)
No 13(25) 226(67)
Died during hospital admission 3(7) 11 (3)
Median age (years) (IQR b ) 38 (25-52) 34 (23-49)
Median Injury Severity Score (IQR b ) 29 (20-42) 24 (17-29)
Mean systolic BP e (mmHg) on hospital arrival (SD d ) 114 (25) 130 (23)
Median first recorded hemoglobin (g/L) prior to arrival or in the ED f (IQR b ) 123 (109-138) 135 (120-149)
Lowest documented hemoglobin (g/L) during admission (IQR b ) 73 (66-90.50) 92 (76-113)
Median volume of crystalloid in first 4 hours (ml) (IQRb) 1950 (950-3675) 1225 (500 - 2403)
Median hospital length of stay (days) 17 (8-33) 9 (6-16)
Patients discharged alive (IQRb) 17 (8-33) 9 (9-16)
Patients who died during admission (IQRb) 16 (4-19) 2 (0-16)
  1. a NOM = non-operative management
  2. b IQR = interquartile range (25th-75th percentile)
  3. d SD = Standard deviation
  4. e BP = Blood Pressure
  5. f ED = Emergency Department
  6. g PRBC = packed red blood cells