Table 3.
Comparison of the five devices used by participants who were inexperienced (n = 54) vs. experienced (n = 25) with orotracheal intubation in critical care
| Groups | Macintosh n = 79 | AirTraq n = 79 | KingVision n = 79 | Pentax AWS200 n = 79 | VividTrac n = 79 | p value |
|---|---|---|---|---|---|---|
| First-attempt success | ||||||
| Experienced | 18 (72.0) | 25 (100.0) | 25 (100.0) | 24 (96.0) | 23 (92.0) | < 0.001 |
| Inexperienced | 38 (70.0) | 52 (96.3) | 52 (96.3) | 53 (98.2) | 50 (92.6) | < 0.001 |
| Time to intubation (s) | ||||||
| Experienced | 86.73 (57.3) | 55.41 (16.4) | 56.55 (25.5) | 50.44 (20.7) | 78.16 (45.8) | < 0.001 |
| Inexperienced | 95.46 (61.3) | 73.56 (34.2) | 70.97 (22.3) | 68.52 (37.4) | 85.14 (41.5) | 0.002 |
| Lowest SpO2 (%) | ||||||
| Experienced | 85.33 (5.21) | 88.09 (1.78) | 88.13 (2.87) | 88.74 (2.14) | 87.13 (4.36) | 0.01 |
| Inexperienced | 84.02 (7.39) | 86.88 (3.74) | 87.12 (2.14) | 87.48 (3.75) | 85.70 (3.75) | < 0.001 |
| Percentage of glottic opening | ||||||
| Experienced | 56.88 (29.4) | 88.96 (13.0) | 90.42 (13.9) | 88.54 (13.6) | 76.04 (19.6) | < 0.001 |
| Inexperienced | 57.25 (24.4) | 83.98 (15.9) | 91.30 (13.2) | 90.19 (13.6) | 80.74 (21.4) | < 0.001 |
| Ease of device use | ||||||
| Experienced | 6.92 (1.93) | 7.29 (1.73) | 7.83 (1.63) | 8.00 (1.79) | 5.67 (1.74) | < 0.001 |
| Inexperienced | 6.08 (2.29) | 7.00 (1.53) | 7.21 (1.55) | 7.90 (1.32) | 6.44 (2.15) | < 0.001 |
The data are the mean ± SD or number (%)
aRated by the participants on a scale from 0 to 10