Comparison of phenotypic pAmpC confirmation tests.

<p><i>The antibiotics used in the DDCT tests were cefotaxime and ceftazidime combined with cloxacilllin or boronic acid. Etest CN/CNI consisted of cefotetan (CN) with cefotetan-cloxacillin (CNI).</i></p><p>*DDCT with cloxacillin/boronic acid and CN/CNI Etest.</p><p>**Sensitivity and specificity of these confirmation tests is performed without ACC-1 in the analysis due to susceptibility for cefoxitin.</p