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International Journal of Injury Control and Safety Promotion, 2010
Quantifying risk is an essential aspect in injury and safety research. Unfortunately, ‘risk,’ like many other words from technical jargon, is also used in common language, giving rise to misinterpr...
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Quantifying risk is an essential aspect in injury and safety research. Unfortunately, ‘risk,’ like many other words from technical jargon, is also used in common language, giving rise to misinterpr...
openaire +3 more sources
Note on the Odds Ratio and the Probability Ratio [PDF]
Journal of Educational and Behavioral Statistics, 2000 This note compares the odds ratio with the probability ratio (relative risk). These quantities arise, for example, in the analysis of educational and social science data by means of logistic regression.
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Risk ratios and odds ratios—what are they?
Midwifery, 2004A risk ratio (sometimes called relative risk, both abbreviated to RR) and an odds ratio (OR) are ways of expressing a comparison between two proportions. For example, in this paper, there are two randomised groups in the trial, women in the lateral position and women in the supported sitting position in the passive second stage of labour.
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European Journal of Obstetrics & Gynecology and Reproductive Biology, 1990
Cesarean section (CS) rates for primiparas, multiparas with and without previous CS were investigated in seven obstetrical settings. Despite the great diversity of global CS rates (5.3 to 17.4%), common CS odds ratios of 3.0 and 37 have been found for primiparas and multiparas with previous CS, respectively.
Gérard Bréart +2 more
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Cesarean section (CS) rates for primiparas, multiparas with and without previous CS were investigated in seven obstetrical settings. Despite the great diversity of global CS rates (5.3 to 17.4%), common CS odds ratios of 3.0 and 37 have been found for primiparas and multiparas with previous CS, respectively.
Gérard Bréart +2 more
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A simple method for converting an odds ratio to effect size for use in meta-analysis.
Statistics in Medicine, 2000A systematic review may encompass both odds ratios and mean differences in continuous outcomes. A separate meta-analysis of each type of outcome results in loss of information and may be misleading.
S. Chinn
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Estimation of cumulative odds ratios
Annals of Epidemiology, 2004Standard estimation of ordered odds ratios requires the constraint that the etiologic effects of exposure are homogenous across thresholds of the ordered response. We present a method to relax this often-unrealistic constraint.The kernel of the proposed method is the expansion of observed data into "person-thresholds." Using standard statistical ...
Stephen R. Cole +2 more
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Conflating odds ratio with "risk" [PDF]
BMJ, 2014 Donze and colleagues found a clinically relevant increased thrombosis complication rate in patients with preoperative systemic inflammation or sepsis.1 However, they used the “risk” of postoperative arterial and venous thromboses interchangeably with the odds ratio, which may …
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2016
Chapter 44 has reviewed odds ratios (ORs) for analyzing cross-tabs of two unpaired groups of patients. Sometimes a single group is assessed twice, and, then, we will obtain a cross-tab slightly different from the traditional unpaired cross-tabs. McNemar’s test must be applied for analyzing these kind of data (Chap. 48).
Aeilko H. Zwinderman, Ton J. Cleophas
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Chapter 44 has reviewed odds ratios (ORs) for analyzing cross-tabs of two unpaired groups of patients. Sometimes a single group is assessed twice, and, then, we will obtain a cross-tab slightly different from the traditional unpaired cross-tabs. McNemar’s test must be applied for analyzing these kind of data (Chap. 48).
Aeilko H. Zwinderman, Ton J. Cleophas
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