Table 3.
Demographic data of all sites compared.
| Variable | Total (N = 12,206) | Amsterdam (n = 609) | London (n = 1,483) | Oregon (n = 142) | Oslo (n = 544) | San Francisco (n = 247) | TRDGU (n = 1,924) | JTTR (n = 7,257) | |
|---|---|---|---|---|---|---|---|---|---|
| Age (years) | Mean ± SD | 34 ± 16 | 44 ± 18 | 39 ± 17 | 52 ± 18 | 44 ± 18 | 42 ± 19 | 46 ± 19 | 28 ± 11 |
| Male | n (%) | 10,784 (88.3) | 432 (70.9) | 1201 (63.8) | 108 (76.1) | 405 (74.4) | 202 (81.8) | 1432 (74.4) | 7004 (96.5) |
| Penetrating trauma | n (%) | 5666 (46.4) | 41 (6.7) | 216 (14.6) | 15 (10.6) | 36 (6.6) | 81 (32.8) | 98 (5.1) | 5179 (71.4) |
| Intubated (on scene) | n (%) | 1688 (13.9) | 72 (11.8) | NA | NA | 86 (15.8) | 232 (93.9) | 1057 (55.0) | 232 (3.2) |
| Systolic Blood Pressure (mmHg) | Mean ± SD | 128 ± 25 | 137 ± 27 | 129 ± 29 | 138 ± 32 | 133 ± 29 | 127 ± 39 | 124 ± 30 | 128 ± 21 |
| Heart rate (bpm) | Mean ± SD | 93 ± 22 | 87 ± 19 | 91 ± 25 | 92 ± 24 | 89 ± 19 | 98 ± 28 | 89 ± 21 | 94 ± 22 |
| Respiratory rate (pm) | Mean ± SD | 19 ± 7 | 17 ± 5 | 19 ± 7 | 19 ± 6 | 19 ± 7 | 21 ± 6 | 15 ± 6 | 20 ± 6 |
| INR | Mean ± SD | 1.2 ± 0.5 | 1.0 ± 0.4 | 1.1 ± 0.3 | 1.3 ± 0.5 | 1.1 ± 0.3 | 1.2 ± 0.4 | 1.2 ± 0.8 | 1.2 ± 0.4 |
| Base excess (mmol/l) | Mean ± SD | 2.2 ± 4.0 | 2.2 ± 3.7 | 2.2 ± 4.4 | 2.7 ± 3.5 | -2.1 ± 3.1 | 6.6 ± 5.2 | 3.2 ± 4.3 | -1.7 ± 3.8 |
| Glasgow Coma Scale (total) | Mean ± SD | 13 ± 3 | 13 ± 4 | 13 ± 4 | 13 ± 3 | 14 ± 3 | 9 ± 5 | 11 ± 5 | 14 ± 3 |
| Injury Severity Score (ISS) | Mean ± SD | 15 ± 11 | 15 ± 11 | 18 ± 11 | 24 ± 12 | 16 ± 11 | 28 ± 15 | 24 ± 14 | 12 ± 9 |
| Lengh of stay on ICU (days) | Mean ± SD | 6.2 ± 10.1 | 1.6 ± 4.1 | 2.9 ± 6.7 | 8.3 ± 9.3 | 3.8 ± 5.9 | 9.1 ± 8.9 | 10.4 ± 12.7 | NA |
| Lengh of stay in hospital (days) | Mean ± SD | 17.8 ± 22 | 9.9 ± 15.4 | 18.1 ± 25.3 | 16.1 ± 15.7 | 6.6 ± 8.1 | 21.1 ± 27.1 | 22.9 ± 20.8 | NA |
| Mortality within 30 days | n (%) | 588 (4.8) | 30 (4.9) | 80 (5.4) | 9 (6.3) | 22 (3.0) | 71 (28.7) | 242 (12.6) | 139 (1.9) |
Data are presented as mean and standard deviation (SD) or as percentage. ISS, Injury Severity Score; ICU, Intensive Care Unit; TRDGU, TraumaRegister DGU® of the German Trauma Society; JTTR, Joint Theater Trauma Registry; INR, International Normalized Ratio.