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RR estimates from the pooled data tend, on average, to be closer to unity than those calculated from the matched sets we chose to report in this analysis. 1 In our case, the imbalance of cases by ethnic group is simply too extreme for any analysis, whether conservative (and unmatched), matched or a...

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Veröffentlicht in:British journal of ophthalmology 2011-09, Vol.95 (9), p.1335
Hauptverfasser: Pereira, Luciano S, Yoon, Michael K, Hwang, Thomas N, Hong, Jenny E, Ray, Kathyrn, McCulley, Timothy J, Porco, Travis
Format: Artikel
Sprache:eng
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Zusammenfassung:RR estimates from the pooled data tend, on average, to be closer to unity than those calculated from the matched sets we chose to report in this analysis. 1 In our case, the imbalance of cases by ethnic group is simply too extreme for any analysis, whether conservative (and unmatched), matched or a regression-based unmatched analysis, to yield a different conclusion.
ISSN:0007-1161
1468-2079
DOI:10.1136/bjo.2011.205187