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10.1111/1475-6773.12152 http://scihub22266oqcxt.onion/10.1111/1475-6773.12152 C4231586!4231586!24461192     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Health+Serv+Res 2014 ; 49 (3): 1074-82 Nephropedia Template TP {{tp|p=24461192|t=2014. Propensity Score Methods and Unobserved Covariate Imbalance: Comments on ?Squeezing the Balloon? |pdf=|usr=}}{{24461192}} gab.com Text Propensity Score Methods and Unobserved Covariate Imbalance: Comments on Squeezing the Balloon JO: Health Serv Res http://www.kidney.de/pget.php?&tw=1&pmid=24461192 #FOAvip In their recent Health Services Research article titled ?Squeezing the Balloon: Propensity Scores and Unmeasured Covariate Balance,? Brooks and Ohsfeldt (2013) addressed an important topic on the balancing property of the propensity score (PS) with respect to unmeasured covariates. They concluded that PS methods that balance measured covariates between treated and untreated subjects exacerbate imbalance in unmeasured covariates that are unrelated to measured covariates. Furthermore, they emphasized that for PS algorithms, an imbalance on unmeasured covariates between treatment and untreated subjects is a necessary condition to achieve balance on measured covariates between the groups. We argue that these conclusions are the results of their assumptions on the mechanism of treatment allocation. In addition, we discuss the underlying assumptions of PS methods, their advantages compared with multivariate regression methods, as well as the interpretation of the effect estimates from PS methods. Twit Text FOAVip Propensity Score Methods and Unobserved Covariate Imbalance: Comments on Squeezing the Balloon ????Health Serv Res http://www.kidney.de/pget.php?&tw=1&pmid=24461192 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=24461192 #FOAvip English Wikipedia <ref>{{Cite pmid|24461192}}</ref> Propensity Score Methods and Unobserved Covariate Imbalance: Comments on ?Squeezing the Balloon? #MMPMID24461192 Ali MS; Groenwold RHH; Klungel OH Health Serv Res 2014[Jun]; 49 (3): 1074-82 PMID24461192show ga In their recent Health Services Research article titled ?Squeezing the Balloon: Propensity Scores and Unmeasured Covariate Balance,? Brooks and Ohsfeldt (2013) addressed an important topic on the balancing property of the propensity score (PS) with respect to unmeasured covariates. They concluded that PS methods that balance measured covariates between treated and untreated subjects exacerbate imbalance in unmeasured covariates that are unrelated to measured covariates. Furthermore, they emphasized that for PS algorithms, an imbalance on unmeasured covariates between treatment and untreated subjects is a necessary condition to achieve balance on measured covariates between the groups. We argue that these conclusions are the results of their assumptions on the mechanism of treatment allocation. In addition, we discuss the underlying assumptions of PS methods, their advantages compared with multivariate regression methods, as well as the interpretation of the effect estimates from PS methods. äPropensity Score Methods and Unobserved Covariate Imbalance: Comments (epmc).pdf DeepDyve Pubget Overpricing