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Analysis of Matched Cohort Data [PDF]
Matching is occasionally used in cohort studies; examples include studies of twins and some studies of traffic crashes. Analysis of matched cohort data is not discussed in many textbooks or articles and is not mentioned in the Stata manuals. Risk ratios can be estimated using matched-pair cohort data with Stata's mcc command. We describe a new command,
Peter Cummings, Barbara McKnight
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Matched Versus Unmatched Analysis of Matched Case-Control Studies
Abstract Although the need for addressing matching in the analysis of matched case-control studies is well established, debate remains as to the most appropriate analytical method when matching on at least 1 continuous factor. We compared the bias and efficiency of unadjusted and adjusted conditional logistic regression (CLR) and ...
Fei, Wan +2 more
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Analysis of stochastic matching markets [PDF]
This paper deals with analysis of stochastic matching markets. Firstly the authors study the convergence to stability. It is shown that starting from an arbitrary matching of a solvable stable roommates (SR) instance one can always find a stable matching by successively satisfying blocking pairs; and that starting from an arbitrary matching of an ...
Biró, Péter, Norman, Gethin
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Partial match queries in relaxed K-dt trees [PDF]
The study of partial match queries on random hierarchical multidimensional data structures dates back to Ph. Flajolet and C. Puech’s 1986 seminal paper on partial match retrieval.
Duch Brown, Amalia +1 more
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First Offensive Shot in Elite Table Tennis
At the (very) first shots in table tennis, players face a basic tactical decision: either return the ball short and passively or attack it with an offensive shot. In the first case, there is lower risk but no pressure for making the point, in the second
Michael Fuchs, Martin Lames
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Background: In 2013, a pregnancy exposure registry and birth defects surveillance (PER/BDS) system was initiated in eThekwini District, KwaZulu-Natal (KZN), to assess the impact of antiretroviral treatment (ART) on birth outcomes. Objectives: At the end
Ushma C. Mehta +13 more
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The present study aimed to investigate (i) differences in salivary testosterone and cortisol concentrations before, during, and after simulated beach volleyball match, depending on match outcome (winning vs.
Yago Costa +7 more
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The aims of this study were: 1) to conduct a descriptive analysis of the anthropometric features of the line-ups of strong teams (top 16) in the 2019 FIBA Basketball World Cup; 2) to group the line-ups mentioned above into different clusters based on ...
Xiao Xu, Mingxin Zhang, Qing Yi
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The aim of this study was to evaluate the validity and reliability of a commercially available local position measurement (LPM) tracking system when assessing distance and running time at different speeds.
Enrique Colino +8 more
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Contextual variables affect peak running performance in elite soccer players: A brief report
The current brief research report aimed to investigate the influence of contextual variables on peak running performance in male elite soccer players. We analyzed 29 matches of an elite soccer team during the Brazilian Serie A 2019.
Diêgo Augusto +9 more
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