Table 1.
Baseline characteristics of the study cohort.
| Overall | Tracheal Tube Position Correct | Tracheal Tube Misplacement | p | |
|---|---|---|---|---|
| n (%) | 65 (100) | 48 (73.8) | 17 (26.2) | |
| Age (years) | 14.0 (8.5) | 16 (4) | 9 (7.5) | <0.001 |
| Male, n (%) | 40 (62) | 31 (65) | 9 (53) | 0.404 |
| Height (cm) | 165 (48) | 170 (22) | 127 (42) | <0.001 |
| Weight (kg) | 51.2 (25.1) | 59.2 (23.5) | 28.7 (13.1) | <0.001 |
| BMI | 20.4 (4.7) | 21.5 (4.8) | 17.7 (2) | <0.001 |
| GCS | 8 (8) | 8 (10.5) | 4 (7) | 0.317 |
| SBP (mmHg) | 100 (85.5) | 100 (78.5) | 90 (110) | 0.208 |
| HR (min−1) | 100 (37.5) | 102.5 (44.5) | 98 (77) | 0.153 |
| SpO2 (%) | 95 (18) | 93 (17.3) | 97 (52) | 0.116 |
| ISS | 29 (21) | 26 (19.5) | 29 (27) | 0.373 |
| RTA, n (%) | 40 (61.5) | 30 (62.5) | 10 (58.8) | 0.781 |
| Fall from height, n (%) | 15 (23.1) | 11 (22.9) | 4 (23.5) | 1 |
| Other cause n (%) | 10 (15.4) | 7 (14.6) | 3 (17.6) | 0.713 |
| Helicopter EMS ETI, n (%) | 30 (46.2) | 26 (54.2) | 4 (23.5) | 0.046 |
| Ground EMS ETI, n (%) | 29 (44.6) | 18 (37.5) | 11 (64.7) | 0.087 |
| ED ETI, n (%) | 6 (9.2) | 4 (8.3) | 2 (11.8) | 0.648 |
| CPR prior ED, n (%) | 19 (29) | 13 (27) | 6 (35) | 0.546 |
| WBCT, n (%) | 43 (66.2) | 33 (68.8) | 10 (58.8) | 0.554 |
| CCT only | 10 (15.3) | 6 (12.5) | 4 (23.5) | 0.434 |
| No CT | 12 (18.5) | 8 (16.7) | 4 (23.5) | 0.713 |
| Emergency surgery, n (%) | 46 (70.8) | 37 (66.7) | 9 (52.9) | 0.071 |
| Ventilator (days) | 1.0 (5) | 1.0 (5) | 1 (6) | 0.596 |
| PICU (days) | 5.0 (11.5) | 5.0 (11.5) | 6 (12) | 0.611 |
| 24 h mortality, n (%) | 8 (12.3) | 5 (10.4) | 3 (17.6) | 0.421 |
| 30-day mortality, n (%) | 18 (27.7) | 12 (25.0) | 6 (35.3) | 0.529 |
BMI, body mass index; GCS, Glasgow coma scale; SBP, systolic blood pressure; HR, heart rate; SpO2, peripheral oxygen saturation; ISS, injury severity score; RTA, road traffic accident; EMS, emergency medical service; ETI, endotracheal intubation; ED, emergency department; CPR, cardiopulmonary resuscitation; WBCT, whole-body computed tomography; CCT, cranial computed tomography; CT, computed tomography; PICU, pediatric intensive care unit. Squared brackets indicate interquartile ranges (IQR) preceded by medians, while round brackets of continuous traits indicate standard deviations, preceded by means.