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Table 3 Analysis of the results of covariates

From: The evaluation of a better intubation strategy when only the epiglottis is visible: a randomized, cross-over mannequin study

Variable HR 95% CI p-Value
Shapes of stylet (banana vs. straight-to-cuff) 0.99 0.82–1.20 0.950
Lifting of epiglottis 1.68 1.34–2.11 < 0.001
Holding level of tube (middle vs. top) 1.04 0.86–1.26 0.675
Duration of service 1.00 0.96–1.04 0.945
Height of the participant 1.09 0.97–1.05 0.631