The Cochran-Armitage method was used to test for trends in the distribution of categorical variables across months, whereas, generalized linear regression was used to determine if there was a significant trend across the study period in continuous variables.
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Implementation of a guideline for the treatment of pain, sedation, agitation and neuromuscular blockade in the mechanically ventilated adult patient in the emergency department.
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The documentation of a BIS score in the flow sheet had a trend toward significance ( P -trend = 0.05) across all time points.