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Table 2 Patient characteristics of included patients, dependent on age groups

From: Epidemiology of paediatric trauma in Norway: a single-trauma centre observational study

  All ages 0–4 years 5–9 years 10–14 years 15–17 years
Total, n 873 130 155 275 313
Injury Severity Score (ISS)
 Median (IQR) 4 (1–9) 2,5 (1–9) 4 (1–9) 5 (1–10) 4 (1–10)
 Minor injury ISS 1–8, n (%) 599 (68) 94 (72) 110 (71) 185 (67) 210 (67)
 Moderate injury ISS 9–15, n (%) 146 (17) 22 (17) 25 (16) 54 (20) 45 (14)
 Severe injury ISS > 15, n (%) 128 (15) 14 (11) 20 (13) 36 (13) 58 (19)
New Injury Severity Score (NISS)
 Median (IQR) 4 (1–12) 3 (1–9) 4 (1–10) 5 (1–12) 5 (1–14)
 Minor injury NISS 1–8, n (%) 573 (65) 92 (71) 103 (67) 175 (63) 203 (65)
 Moderate injury NISS 9–15, n (%) 129 (15) 17 (13) 27 (17) 46 (17) 39 (12)
 Severe injury NISS > 15, n (%) 171 (20) 21 (16) 25 (16) 54 (20) 71 (23)
Type of transportation to hospital
 EMS, n (%) 474 (54) 62 (48) 88 (57) 141 (51) 183 (59)
 HEMS, n (%) 341 (39) 60 (46) 58 (37) 109 (40) 114 (36)
 Others, n (%) 21 (3) 4 (3) 4 (3) 9 (3) 4 (1)
 Unknown/missing, n (%) 37 (4) 4 (3) 5 (3) 16 (6) 12 (4)
Days in hospital total, n (median) 4075 (2) 520 (1) 622 (2) 1050 (2) 1883 (1)
Days in ICU total, n (median) 656 (0) 106 (0) 56 (0) 179 (0) 315 (0)
Days on ventilator total, n (median) 467 (0) 48 (0) 19 (0) 86 (0) 314 (0)
Inter hospital transfers, n (%) 52 (6) 7 (5) 5 (3) 25 (9) 15 (5)
Mechanism of injury, n (%)
 Transport 532 (61) 61 (47) 101 (65) 155 (56) 215 (69)
 Violence 28 (3) 5 (4) 2 (1) 10 (4) 11 (4)
 Fall 233 (27) 53 (41) 43 (28) 76 (28) 61 (19)
 Others 79 (9) 11 (8) 9 (6) 33 (12) 26 (8)
 Unknown/missing 1 (< 1) 0 0 1 (< 1) 0
First key emergency intervention, total n
 None 808 119 147 256 286
 Damage control thoracotomy 3 0 1 1 1
 Damage control laparotomy 16 3 2 6 5
 Limb revascularization 2 0 0 1 1
 Interventional radiology 2 0 0 0 2
 Craniotomy 10 1 1 5 3
 Intracranial pressure device insertion 17 3 3 4 7
 Unspecified emergency intervention 6 0 0 2 4
 Unknown 9 4 1 0 4
Intubated prior to hospital arrival, n (%) 54 (6) 10 (8) 11 (7) 13 (5) 20 (6)
Thoracic drainage, n (%) 22 (3) 2 (2) 3 (2) 5 (2) 12 (4)