Prospective Trial to Compare Direct and Indirect Laryngoscopy Using C-MAC PM® with Macintosh Blade and D-Blade® in a Simulated Difficult Airway

<table class="fixed-width table-group" id="tab2"><tr><td><table class="table"><colgroup><col style="width:4.87em"/><col style="width:8.11em"/><col style="width:6.79em"/><col style="width:4.10em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Without Stifneck</td><td class="align_center">With Stifneck</td><td class="align_center"><i>p</i> value</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">MS</td><td class="align_center">2 (1/3)</td><td class="align_center">4 (3/4)</td><td class="align_center">&lt; .001</td></tr><tr><td class="align_left">IID (cm)</td><td class="align_center">4.85 ± 1.0</td><td class="align_center">2.50 ± 0.9</td><td class="align_center">&lt; .001</td></tr><tr><td class="align_left">Rec. (°)</td><td class="align_center">47.5 (36.3/60.0)</td><td class="align_center">10.0 (5.0/17.5)</td><td class="align_center">&lt; .001</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>MS = Mallampati score.<br/>IID = interincisor distance (cm) .<br/>Rec = reclination (°).<br/>Level of significance <i>p</i> &lt; .05.<br/>MS + Rec analyzed by Wilcoxon’s signed rank test, values shown as median and 25/75 percentile.<br/>IID analyzed by the paired <i>t</i>-test, values shown as mean ± SD.<br/></div></td></tr></table>

<div>Prognostic factors for difficult ETI.</div>

Emergency Medicine International

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Table 2

Table 2: Prospective Trial to Compare Direct and Indirect Laryngoscopy Using C-MAC PM® with Macintosh Blade and D-Blade® in a Simulated Difficult Airway 

Table 2 | Prospective Trial to Compare Direct and Indirect Laryngoscopy Using C-MAC PM® with Macintosh Blade and D-Blade® in a Simulated Difficult Airway 