Table 2.
Adequate oral endotracheal tube sizes according to sub groups
| Adequate | Inadequate (small) | Inadequate (large) | p-value | |
|---|---|---|---|---|
| Gender | ||||
| Female (n = 133) | 107 (80.5%) | 6 (4.5%) | 20 (15%) | p = 0.467 |
| Male (n = 210) | 176 (83.8%) | 4 (1.9%) | 30 (14.3%) | |
| Age in years | ||||
| 0–1 (n = 33) | 14 (42.4%) | 0 (0%) | 19 (57.6%) | p < 0.001 |
| 1–2 (n = 37) | 30 (81.1%) | 0 (0%) | 7 (18.9%) | |
| 2–4 (n = 56) | 49 (87.5%) | 0 (0%) | 7 (12.5%) | |
| 4–6 (n = 37) | 32 (86.5%) | 0 (0%) | 5 (13.5%) | |
| 6–8 (n = 32) | 27 (84.4%) | 1 (3.1%) | 4 (12.5%) | |
| 8–10 (n = 30) | 27 (90%) | 2 (6.7%) | 1 (3.3%) | |
| 10–12 (n = 21) | 14 (66.7%) | 5 (23.8%) | 2 (9.5%) | |
| 12–17 (n = 97) | 90 (92.8%) | 2 (2.1%) | 5 (5.1%) | |
| Mission type | ||||
| Primary (n = 195) | 165 (84.6%) | 7 (3.6%) | 23 (11.8%) | p = 0.253 |
| Secondary (n = 148) | 118 (79.7%) | 3 (2.1%) | 27 (18.2%) | |
| Medical indication | ||||
| Trauma (n = 194) | 166 (85.6%) | 6 (3.1%) | 22 (11.3%) | p = 0.114 |
| Non-trauma (n = 149) | 117 (78.5%) | 4 (2.7%) | 28 (18.8%) | |
| Resuscitation | ||||
| Yes (n = 72) | 53 (73.6%) | 5 (6.9%) | 14 (19.4%) | p = 0.035 |
| No (n = 271) | 230 (84.9%) | 5 (1.8%) | 36 (13.3%) |
Summary of adequate ET tube size (per age) according to subgroup. Endotracheal tube size copied from the original patient protocol. Adequate ET tube size is indicated by the Microcuff tube manufacturer. Outside a 15% tolerance, ET tube size is judged as inadequate. All ET tubes contained a cuff