Impact of Sharing Trial Results on Participants in a Cataract Study
Author Information
Author(s): Sally L Williams, Luigina Ferrigno, Giovanni Maraini, Francesco Rosmini, Robert D Sperduto
Primary Institution: Università degli Studi di Parma
Hypothesis
How does sharing trial results affect participants' understanding and satisfaction?
Conclusion
Most participants were satisfied with the results shared, but nearly 20% expressed some concern.
Supporting Evidence
- 94.6% of participants found the results clear.
- 89.8% found the results interesting.
- 60.3% expressed satisfaction with the results.
- 78.7% accepted the offer to learn their treatment assignment.
Takeaway
The study asked older people about their feelings after learning the results of a cataract treatment trial, and most were happy but some were worried.
Methodology
Participants completed questionnaires to assess their satisfaction and understanding of the trial results.
Potential Biases
Potential selection bias from participants who declined to know their treatment assignment.
Limitations
The study may have biases due to non-responders being older and less educated.
Participant Demographics
Participants were elderly, aged 55 to 75, with a mean age of 80.5 years.
Statistical Information
P-Value
p = 0.0006
Confidence Interval
0.60 - 1.02
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website