A short tutorial on sensitivity, specificty and likelihood ratios. A few good tutorials in YouTube are linked below as well.
A short tutorial on likelihood ratios:
"If I had to take away just 2 learning points, they would be:
- These guidelines are very similar to the 2010 guidelines. There are no changes important enough to warrant paying for another ACLS course. If you know the 2010 guidelines, just keep providing good patient care.
- As always, the science is weak. Only 1% of recommendations were “level A”, meaning high quality evidence from more than one RCT. The most common phrase I encountered reading through these guidelines was “may be reasonable”. This phrase is essentially meaningless and can easily be translated into “may not be reasonable”. Tread with care." (Emphases mine, read more in his blog)
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