The nurse is evaluating research studies according to the GRADE criteria and has determined the quality of evidence on the subject is moderate. Which type of evidence does this determination indicate?
a. Strong evidence from unbiased observational studies
b. Evidence from randomized clinical trials showed inconsistent results
c. Consistent evidence from well-performed randomized clinical trials
d. Evidence for at least one critical outcome from randomized clinical trials had serious flaws
ANS: B
Evidence from randomized clinical trials with important limitations indicates that the evidence is of moderate quality. Strong evidence from unbiased observational studies and consistent evidence from well-performed randomized clinical trials indicates high quality. Evidence for at least one critical outcome from randomized clinical trials that has serious flaws indicates low quality.
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