Table 2 Main Outcome Parameters
n = 198 | Oral AEC n = 74 | Nasal AEC n = 124 | p-value |
|---|---|---|---|
Size of AEC in French 8/ 11/ 14/ 19, n (%) missing: 3 nasal | 0/48/22/4 (0/65/30/5) | 1/71/47/2 (1/59/39/2) | 0.23 |
Depth of AEC in cm (mean ± SD) | 26.2 ± 3.3 | 29.3 ± 2.5 | <0.001 |
AEC was correctly positioned on arrival PACU, yes (%) | 68 (96%) | 118 (98%) | 0.67 |
95% confidence interval of correct position missing: 3 in each group | 88.1 – 99.1% | 92.9 – 99.5% | |
AEC was correctly positioned until removal yes/no, n (%) | 64/ 5 (93/ 7) | 110/ 3 (97/ 3) | 0.16 |
95% confidence interval of correct position missing: 5 oral, 11 nasal | 83.9 – 97.6% | 92.4 – 99.4% | |
Length of stay of AEC in hours, median (IQR) min. – max. | 2.5 (1.25, 4.5) 0 – 11 | 4 (3, 6) 0 – 19 | <0.001 |
Patients coughing in PACU, yes n (%) missing: 6 oral, 15 nasal | 28 (41%) | 30 (28%) | 0.06 |
Patients retching in PACU, yes n (%) missing: 6 oral, 9 nasal | 18 (26%) | 8 (8%) | 0.001 |
Re-intubation necessary | 1 (via AEC) | 4 (via AEC), 4 (AEC already removed) | 0.56 |