Table 1 Baseline Characteristics and Device Performance Comparisons
ETT | SGA | ||
|---|---|---|---|
(n = 517) | (n = 266) | p-value‡ | |
Age, yrs | 61 (13) | 62 (13) | 0.43 |
Gender, n (%) | |||
Male | 294 (56.9%) | 143 (53.8%) | 0.45 |
Female | 223 (43.1%) | 123 (46.2%) | |
ASA, n (%) | |||
1 | 2 (0.4%) | 2 (0.8%) | 0.77 |
2 | 187 (36.2%) | 91 (34.2%) | |
3 | 300 (58.0%) | 161 (60.5%) | |
4 | 28 (5.4%) | 12 (4.5%) | |
Co-morbidities, n (%) | |||
DM | 81 (15.7%) | 39 (14.7%) | 0.75 |
GERD | 155 (30.0%) | 88 (33.1%) | 0.37 |
OSA | 39 (7.5%) | 27 (10.2%) | 0.22 |
Known difficult intubation | 10 (1.9%) | 6 (2.3%) | 0.42 |
BMI, kg∙m−2 | 28 (6) | 28 (7) | 0.55 |
Mallampati score, n (%) | |||
I | 115 (32.1%) | 62 (28.6%) | 0.55 |
II | 199 (55.6%) | 123 (56.7%) | |
III | 44 (12.3%) | 27 (12.4%) | |
IV | 0 (0%) | 5 (2.3%) | |
Mouth opening, n (%) | |||
< 4 cm | 27 (6.5%) | 20 (9.2%) | 0.59 |
> 4 cm | 388 (93.5%) | 211 (90.8%) | |
Upper lip bite test, n (%) | |||
Achieved | 184 (94.4%) | 103 (96.3%) | 0.34 |
Not Achieved | 11 (5.6%) | 4 (3.7%) | |
Thyromental distance, n (%) | |||
< 6 cm | 42 (10.6%) | 25 (11.5%) | 0.79 |
> 6 cm | 355 (89.4%) | 193 (88.5%) | |
Neck range of motion, n (%) | |||
Full | 271 (79.2%) | 149 (76.8%) | 0.51 |
Limited | 70 (20.8%) | 45 (23.2%) | < 0.0001 |
Procedure type, n (%) | |||
Flexible bronchoscopy y | 233 (45%) | 74 (28%) | < 0.0001 |
Endobronchial ultrasound | 263 (51%) | 185 (70%) | 0.42 |
Tracheal/bronchial laser/stent | 20 (4%) | 7 (3%) | |
Anesthetic type, n (%) | |||
Inhalational | 438 (84.7%) | 233 (87.6%) | 0.33 |
TIVA | 79 (15.3%) | 33 (12.4%) | |
†Neuromuscular blocking drug use, n (%) | 405 (78.3%) | 24 (9.0%) | < 0.0001 |
Failed primary airway, n (%) | 1 (0.4%) | ||