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Letters
November 27, 2002

Prematurity and Later Cognitive Outcomes—Reply

Author Affiliations
 

Stephen J.LurieMD, PhD, Senior Editor

 

Not Available

JAMA. 2002;288(20):2543. doi:10.1001/jama.288.20.2543-JLT1127-4-2

In Reply: In response to Dr Doyle and colleagues, specific criteria for assessing the quality of observational studies have not been developed or validated. Furthermore, the validity of quality scores even for randomized trials may be questionable.1 In our meta-analysis, we present the first attempts to identify some of the criteria that can be used for assessing the quality of observational studies. We make no claims to the completeness or validation of this method.

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