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Indian Journal of Surgery
Published in: Indian Journal of Surgery 5/2013

01-10-2013 | Letter to the Editor

95 % Confidence Interval: A Misunderstood Statistical Tool

Authors: Deepti Choudhary, Pankaj Kumar Garg

Published in: Indian Journal of Surgery | Issue 5/2013

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Excerpt

We read the article titled “Prospective randomized controlled trial comparing subepididymal orchiectomy versus conventional orchiectomy in metastatic carcinoma of prostate” by S. Bapat, P. M. Mahajan, A. A. Bhave, Y. B. Kshirsagar, Y. B. Sovani, and A. Mulay [1] with great interest. They found that the satisfaction score of group A patients who underwent sub-epididymal orchiectomy was 83.5 ± 9.7 with 95 % confidence interval of 18.58–28.42. This confidence interval of 18.58–28.42 does not contain the mean satisfaction score of 83.5. The confidence interval for the satisfaction score of group B who underwent total orchiectomy was not mentioned. …
Literature
1.
Bapat S, Mahajan PM, Bhave AA, Kshirsagar YB, Sovani YB, Mulay A (2011) Prospective randomized controlled trial comparing sub-epididymal orchiectomy versus conventional orchiectomy in metastatic carcinoma of prostate. Indian J Surg 73:175–177PubMedCrossRef
2.
du Prel JB, Hommel G, Röhrig B, Blettner M (2009) Confidence interval or p-value?: part 4 of a series on evaluation of scientific publications. Dtsch Arztebl Int 106:335–339PubMed
3.
Sedgwick PM (2009) Statistical significance and confidence intervals. BMJ 339:b3401CrossRef
Metadata
Title
95 % Confidence Interval: A Misunderstood Statistical Tool
Authors
Deepti Choudhary
Pankaj Kumar Garg
Publication date
01-10-2013
Publisher
Springer India
Published in
Indian Journal of Surgery / Issue 5/2013
Print ISSN: 0972-2068
Electronic ISSN: 0973-9793
DOI
https://doi.org/10.1007/s12262-012-0555-z

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