Table 1 Demographic and intraoperative characteristics of patients intubated with standard barrel cuff endotracheal tube (baseline) and the TaperGuard™ endotracheal tube (intervention). Data are expressed as mean (standard deviation) unless otherwise specified
Characteristics | Baseline (n = 9037) | Intervention (n = 6351) | p value |
|---|---|---|---|
Age, years | 55.2 ± 16.6 | 56.3 ± 16.5 | < 0.001 |
Male, n (%) | 4515 (50.0) | 3186 (50.2) | 0. 803 |
Caucasian, n (%) | 8042 (93.0) | 5748 (91.7) | 0.004 |
Body Mass Index, kg/m2 | 29.9 ± 7.9 | 30.0 ± 8.1 | 0.222 |
ASA Class, n (%) | < 0.001 | ||
1 | 505 (5.7) | 336 (5.3) | |
2 | 3547 (40.0) | 2421 (38.5) | |
3 | 3949 (44.5) | 2780 (44.2) | |
4 | 845 (9.5) | 739 (11.8) | |
5 | 21 (0.2) | 15 (0.2) | |
Surgical procedure, n (%) | 0.001 | ||
Open abdominal | 1811 (20.0) | 1339 (21.1) | |
Laparoscopic abdominal | 1536 (17.0) | 997 (15.7) | |
Orthopedic | 1403 (15.5) | 936 (14.7) | |
Neurosurgery | 778 (8.6) | 551 (8.7) | |
Spine | 1155 (12.8) | 801 (12.6) | |
Breast/soft tissue | 693 (7.7) | 458 (7.2) | |
Thoracic | 190 (2.1) | 132 (2.1) | |
Vascular | 337 (3.7) | 240 (3.8) | |
Cardiac | 519 (5.7) | 451 (7.1) | |
Otolaryngology | 443 (4.9) | 318 (5.0) | |
Out of OR locations | 139 (1.5) | 120 (1.9) | |
Ophthalmology | 33 (0.4) | 8 (0.1) | |
Rapid sequence intubation, n (%) | 258 (2.9) | 173 (2.7) | 0.628 |
Median tidal volume, mL/kg | 8.2 (1.6) | 7.9 (1.4) | < 0.001 |
Median tidal volume, mL | 514.5 (80.7) | 498.0 (73.4) | < 0.001 |
Mean tidal volume, mL | 487.6 (76.0) | 473.7 (69.9) | < 0.001 |
PEEP, n (%) | 8577 (95.2) | 6172 (97.4) | < 0.001 |
Non-depolarizing NMB, n (%) | 7630 (84.4) | 5389 (84.9) | 0.475 |