Methodologic considerations in the design and analysis of nested case-control studies: association between cytokines and postoperative delirium
Abstract Background The nested case-control study (NCC) design within a prospective cohort study is used when outcome data are available for all subjects, but the exposure of interest has not been collected, and is difficult or prohibitively expensive to obtain for all subjects. A NCC analysis with...
Main Authors: | , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2017-06-01
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Series: | BMC Medical Research Methodology |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s12874-017-0359-8 |