Conversely, a chi-squared p -value < 0.05 documented a significant association, which was further analyzed by the Cochran–Armitage trend test, whereby a p -value < 0.05 documented the existence of a significant trend.
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Antimicrobial Resistance in <i>Pseudomonas aeruginosa</i> before and during the COVID-19 Pandemic.
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When grouping the tested antibiotics by class, a statistically significant variation and a decreasing trend were found for all classes, except for aminoglycosides (although p -values for this class were very close to significant).