How should the nurse researcher most accurately interpret an odds ratio equal to 1.0?
a. This means there is no difference in the odds of an event occurring between the experimental and control groups.
b. The event is less likely in the treatment group than in the control group.
c. The event is more likely to occur in the treatment group than in the control group.
d. Percent increase in risk of the event that is added after considering the percent of risk that would occur anyway.
ANS: A
Feedback
A This defines an odds ratio that is equal to 1.0.
B This defines an odds ratio that is less than 1.0.
C An odds ratio greater than 1.0 means that the event is more likely to occur in the treatment group than the control group.
D This would refer to relative risk increase.
You might also like to view...
The nurse, planning care for older patients on a geriatric unit, realizes which of the following health problems as occurring more frequently among older adults than in younger adults? (Select all that apply.)
A) Cellulitis B) Pneumonia C) HIV/AIDS D) Diverticulitis E) Endocarditis
Based on the patient's level of mobility following a stroke, an essential intervention that the nurse needs to perform to preserve both joint mobility and muscle strength is:
A) Turning and repositioning B) Deep-breathing exercises C) Kegel exercises D) Range-of-motion exercises
A patient who comes to the emergency department is anxious, short of breath, diaphoretic, and has a history of heart disease
The patient states that the doctor instructed him to chew an aspirin on the way to the emergency department. The nurse understands that the rationale for this instruction is that aspirin a. suppresses platelet aggregation, producing an immediate antithrombotic effect. b. acts as an immediate analgesic. c. augments the effects of morphine. d. has vasodilatory properties that can improve perfusion of the heart.
Carbon monoxide causes tissue damage by:
a. Competing with carbon dioxide so that it cannot be excreted b. Binding to hemoglobin so that it cannot carry oxygen c. Destroying the chemical bonds of hemoglobin so it cannot carry oxygen d. Removing iron from hemoglobin so it cannot carry oxygen