Table 1 Mean time used to insert supraglottic devices and endotracheal tube in simulated optimal and restricted access
Device | Manikin | Scenario | Number | Successful | Mean time (seconds) | SD |
|---|---|---|---|---|---|---|
iGel ™ | Ambu ™ | A (optimal) | 20 | All | 9.9 | 4.5 |
iGel ™ | Ambu ™ | B (restricted) | 20 | All | 12.3 | 3.6 |
LTSII ™ | Ambu ™ | A (optimal) | 20 | All | 12.8 | 2.9 |
LTSII ™ | Ambu ™ | B (restricted) | 20 | All | 10.6 | 3.2 |
Macintosh #3 | TrueCorp ™ | A (optimal) | 20 | Yes | 12.1 | 3.3 |
0 | No | |||||
Macintosh #3 | TrueCorp ™ | B (restricted) | 16 | Yes | 28.0 | 13.0 |
4 | No | |||||
P-values for comparing same device in scenario A versus B | ||||||
Mean time with iGel in scenario A vs scenario B | p = 0.09 | NS | ||||
Mean time with LTSII in scenario A vs scenario B | p = 0.01 | S | ||||
Mean time with Macintosh laryngoscope (blade #3) in scenario A vs Scenario B | p < 0.01 | S | ||||
P-value for comparing devices with each other in scenario A | ||||||
Mean time with iGel vs LTSII | p = 0.69 | NS | ||||
Mean time with Macintosh #3 vs iGel | p = 0.88 | NS | ||||
Mean time with Macintosh #3 vs LTSII | p = 0.19 | NS | ||||
P-values for comparing differen devices with each other in scenario B | ||||||
Mean time with iGel vs LTSII | p = 0.50 | NS | ||||
Mean time with Macintosh #3 vs iGel | p < 0.001 | S | ||||
Mean time with Macintosh #3 vs LTSII | p < 0.001 | S | ||||
NS = Non-significant, S = significant | ||||||