Several risk indexes describe outcomes in relation to exposures for a two-group situation with dichotomous outcomes. These indexes provide useful information for making clinical decisions.
What index expresses the estimated proportion of people who would be spared from an adverse outcome through exposure to an intervention?
A) Absolute risk reduction
B) Relative risk reduction
C) Odds ratio
D) Number needed to treat
Question 2
If a thermometer measured a child's temperature as 98.1F one minute and as 98.1F the next minute, we could assume that the thermometer was a:
A) Valid instrument
B) Reliable instrument
C) Trustworthy instrument
D) Dependable instrument
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