Summary of data for trauma and patients with TBI before and after Trauma Guide app
| All data January 2017–June 2020 | Baseline June 2017–June 2019 | Algorithm July 2019–June 2020 | Comparison test | |
| Trauma patients | ||||
| Patients, N | 40 | 21 | 19 | |
| Male sex* (%) | 30 (75) | 14 (67) | 16 (84) | Fisher’s p=0.04 |
| Median age (years) (range) | 46 (18–82) | 49 (18–82) | 42 (20–72) | Mann-Whitney U W=238, p=0.3, r=0.1 |
| Median time-to-tracheostomy (days) (range) | 8 (1–21) | 10 (3–21) | 6 (1–15) | Mann-Whitney U W=279, p=0.03, r=0.3 |
| Hospital LOS (days) (range) | 25 (10–116) | 28 (10–116) | 23 (11–47) | Mann-Whitney U W=267, p=0.07, r=0.3 |
| VAP (%) | 19 (48) | 9 (43) | 10 (53) | Fisher’s p=1 |
| Bleeding complication (%) | 1 (3) | 1 (5) | (0) | No results* |
| Patients with TBI | ||||
| Patients, N | 31 | 15 | 16 | |
| Male sex* (%) | 23 (74) | 10 (67) | 13 (81) | Fisher’s p=1 |
| Median age (years) (range) | 39 (18–75) | 44 (18–75) | 37 (26–73) | Mann-Whitney U W=133, p=0.62, r=0.1 |
| Median time to tracheostomy (days) (range) | 8 (1–21) | 11 (3–21) | 6 (1–15) | Mann-Whitney U W=167, p=0.07, r=0.3 |
| Hospital LOS (days) (range) | 26 (10–116) | 29 (17–116) | 24 (11–47) | Mann-Whitney U W=158, p=0.1, r=0.3 |
| VAP (%) | 15 (49) | 7 (47) | 8 (50) | Fisher’s, p=0.3 |
| Bleeding complication (%) | 0 (0) | 0 (0) | 0 (0) | No results* |
Data were compared by Mann-Whitney U tests (numerical), χ2 (categorical, expected values ≥5) and two-sided Fisher’s exact tests (categorical, expected values <5).
LOS, length of stay; TBI, traumatic brain injury; VAP, ventilator-associated pneumonia.