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World Journal of Surgery
Published in: World Journal of Surgery 3/2015

01-03-2015 | Letter to the Editor

Large Standard Deviation: Think Before You Write

Author: Pankaj Kumar Garg

Published in: World Journal of Surgery | Issue 3/2015

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Excerpt

A number of articles published in the June issue of World Journal of Surgery displays data with very large standard deviations (SDs), even larger than the mean at times. Sharma et al. [1] reports that the preoperative parathyroid hormone (PTH) values for their patients of two groups—preoperative dual-energy X-ray absorptiometry (DEXA) and by both pre- and postoperative DEXA scan, were 166 ± 171 and 173 ± 165 pg/ml, respectively. Parikh et al. [2] states that the follow-up periods for patients with biochemically mild and conventional primary hyperparathyroidism were 33.0 ± 38.9 and 173 ± 165 months respectively. …
Literature
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Garg PK (2014) Planning the statistical analysis. In: Gupta P, Singh N (eds) How to write the thesis and thesis protocol: a primer for medical, dental and nursing courses. Jaypee Brothers, New Delhi, pp 104–114
Metadata
Title
Large Standard Deviation: Think Before You Write
Author
Pankaj Kumar Garg
Publication date
01-03-2015
Publisher
Springer US
Published in
World Journal of Surgery / Issue 3/2015
Print ISSN: 0364-2313
Electronic ISSN: 1432-2323
DOI
https://doi.org/10.1007/s00268-014-2772-z

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