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Dental treatment can be a 'headache'. Br Dent J 2024; 236:186. [PMID: 38332078 DOI: 10.1038/s41415-024-7059-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
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Bilateral facial palsy after cosmetic filler injections: Is pain really the price of beauty? Rev Neurol (Paris) 2020; 176:634. [PMID: 32305142 DOI: 10.1016/j.neurol.2020.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 11/29/2022]
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Novel case-control observational method for assessing effectiveness of red-light cameras. CANADIAN JOURNAL OF CIVIL ENGINEERING 2017; 44:407-416. [DOI: 10.1139/cjce-2016-0414] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Conventional methods for estimating the effect of an intervention suffer from selection bias, where the units that receive the treatment have different characteristics from those in the control group. This paper proposes a novel method that provides a specific criterion for selecting the control group. The method, called propensity score matching (PSM), was applied to the evaluation of red-light cameras (RLC) and its performance was compared with conventional cross-sectional and empirical Bayes methods. The application was performed using field data from the City of Ottawa involving 30 RLC intersections and 89 non-camera intersections observed for a period of 15 years. All three methods yielded fairly consistent results, indicating an increase in property damage collisions and a decrease in injury and fatal collisions. Given the strong theoretical basis of the PSM method and its ability to produce a more stable and reliable estimator, the method is recommended as a viable alternative to the conventional methods.
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The effect of automated speed cameras on fatal traffic collisions in Kuwait. JOURNAL OF ENGINEERING RESEARCH 2015; 3:31. [DOI: 10.7603/s40632-015-0031-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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