NRS 433V Week 4 Discussion Questions 2
NR 433V Topic 4 DQ 2
Describe the “levels of evidence” and provide an example of the type of practice
change that could result from each.
Answer:
Evidence based medicine (EBM) is field that involving seeking evidence and using the evidence
to make clinical decisions. The levels of evidence were originally illustrated in the report on
periodic health examination in 1979. Randominized clinical trials were described as the highest
level of evidence since they are unbiased and less likely to result to systemic error. This because
there is randominizing of confounding factors which bias the results. According to this report
NR 433V Topic 4 DQ 2
Describe the “levels of evidence” and provide an example of the type of practice
change that could result from each.
Answer:
Evidence based medicine (EBM) is field that involving seeking evidence and using the evidence
to make clinical decisions. The levels of evidence were originally illustrated in the report on
periodic health examination in 1979. Randominized clinical trials were described as the highest
level of evidence since they are unbiased and less likely to result to systemic error. This because
there is randominizing of confounding factors which bias the results. According to this report
