Research Article
A Note regarding Problems with Interaction and Varying Block Sizes in a Comparison of Endotracheal Tubes
Table 2
Mean intubation outcomes for the Parker Flex-Tip and standard tubes for each of the six anesthesiology providers.
| | Dependent variables | Parker Flex-Tip | Standard ETT |
| | AP#1 | | | | Time for ETT insertion (sec) | 9.0 | 14.0 | | Number of redirections | 1.0 | 2.0 | | Difficulty of insertion rating | 16.7 | 19.0 | | AP#2 | | | | Time for ETT insertion (sec) | 6.7 | 9.9 | | Number of redirections | 0.0 | 0.7 | | Difficulty of insertion rating | 3.7 | 11.5 | | AP#3 | | | | Time for ETT insertion (sec) | 14.7 | 17.1 | | Number of redirections | 1.6 | 2.4 | | Difficulty of insertion rating | 21.7 | 31.8 | | AP#4 | | | | Time for ETT insertion (sec) | 15.0 | 5.0 | | Number of redirections | 3.0 | 0.0 | | Difficulty of insertion rating | 60.0 | 7.0 | | AP#5 | | | | Time for ETT insertion (sec) | 8.0 | 6.0 | | Number of redirections | 1.0 | 0.0 | | Difficulty of insertion rating | 13.3 | 11.7 | | AP#6 | | | | Time for ETT insertion (sec) | 18.7 | 14.7 | | Number of redirections | 0.0 | 0.7 | | Difficulty of insertion rating | 14.2 | 3.0 |
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