Total material n=4230 | No renal injury n=4115 | Renal injury n=115 | P value | |
Age, years | 9 (4; 14) | 9 (4; 14) | 14 (9; 16) | <0.001 |
Male gender, n (%) | 2674 (63.2) | 2596 (63.1) | 78 (67.8) | 0.299 |
GCS score | 15 (15; 15) | 15 (15; 15) | 15 (15; 15) | 0.743 |
ISS | 5 (1; 15) | 5 (1; 11) | 17 (16; 33) | <0.001 |
TRISS 09 Ps | 0.99 (0.99; 0.99) | 0.99 (0.99; 0.99) | 0.99 (0.96; 0.99) | <0.001 |
Blunt injury, n (%) | 4071 (96.2) | 3958 (96.2) | 113 (98.3) | 0.248 |
Traffic incidents, n (%) | 1363 (32.2) | 1324 (32.2) | 39 (33.9) | 0.694 |
Transfused, n (%) | 107 (2.5) | 94 (2.3) | 13 (11.3) | <0.001 |
ED surgery, n (%) | 13 (0.3) | 10 (0.2) | 3 (2.6) | 0.005 |
Intubated, n (%) | 646 (15.3) | 620 (15.1) | 26 (22.6) | 0.027 |
TTA, n (%) | 3944 (93.2) | 3839 (93.3) | 105 (91.3) | 0.350 |
Mortality, n (%) | 57 (1.3) | 50 (1.2) | 7 (6.1) | <0.001 |
LOS ICU, days | 1 (0; 2) | 1 (0; 2) | 2 (1; 3) | <0.001 |
LOS hospital, days | 2 (1; 6) | 2 (1; 5) | 5 (3; 7) | <0.001 |
Primary admission, n (%) | 2622 (62.0) | 2581 (62.7) | 41 (35.7) | <0.001 |
Primary admission refers to primary admission at Oslo University Hospital (OUH). Values are median and interquartiles when not stated otherwise. Number of patients with missing values in total material and no renal injury: patients transfused 7, GCS score 2, LOS ICU 1 day.
ED, emergency department; GCS, Glasgow Coma Scale; ICU, intensive care unit; ISS, Injury Severity Score; LOS, length of stay; TRISS 09 Ps, Trauma and Injury Severity Score 2009 revision Probability of survival; TTA, trauma team activation.