Results from a Meta-analysis where they looked at frequency of postoperative arterial fibrillation in patients on Ascorbic acid after cardiac surgery found odds ratio, 0.44 (95% CI, 0.32 to 0.61). How can you interpret this data?
Suggested Answer: D
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Odds ratio of 0.44 (44%) means that this group was associated with an event happening 44% of the time, compared to 1 (an event happening 100% of the time if unexposed), therefore 100 - 44 = 56%, which is the reduction caused by the exposure. Exposure is the use of ascorbic acid.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1112884/
12 comments · newest first
WE
Wendell
11 months ago
So glad to see Ascorbic acid helping post-surgery!
DE
Denae
12 months ago
Not sure about this, seems too good to be true.
KI
Kimbery
12 months ago
Wait, how does that translate to a 56% decrease? Sounds off.
JU
Judy
12 months ago
I agree, definitely a reduction in frequency.
BR
Britt
1 year ago
The odds ratio of 0.44 means a decrease, not an increase!
BA
Barrie
1 year ago
I think option D is wrong because the odds ratio doesn't translate directly to a percentage like that. It’s definitely less than 1, but I’m not sure about the exact interpretation.
RU
Ruth
1 year ago
I feel like I saw something similar in our lectures, but I can't recall if it was about a percentage decrease or just a general reduction.
EL
Elvera
1 year ago
I'm not entirely sure, but I think the odds ratio of 0.44 suggests a significant reduction. I might be confusing it with another practice question we did.
BR
Brianne
1 year ago
I remember that an odds ratio less than 1 indicates a decrease in the outcome, so I think Ascorbic acid might be reducing the frequency of postoperative arterial fibrillation.
SY
Sylvie
1 year ago
I'm a little confused by the terminology here. I'll need to review my notes to make sure I understand the difference between earned surplus and the other options.
JO
Jovita
1 year ago
Okay, I think I know the answer to this one. The key is using an application user, not the main admin account, and making sure it has the right permissions.
MA
Marshall
1 year ago
This seems similar to that practice question where we had to check session traces for endpoint issues. I think option B, executing a session trace, might be the best way to see where the access is breaking down.