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. 2016 Aug 20;16:102. doi: 10.1186/s12874-016-0206-3

Fig. 10.

Fig. 10

Bias (left panels) and standard error (i.e. SE, right panels) of log transformed odds ratio estimations for different effect sizes of CE. Each line indicated one model. Note: model 1, unconditional logistic regression model without adjusting for C for non-matched case-control designs; model 2, unconditional logistic regression model with adjusting for C for non-matched case-control designs; model 3, unconditional logistic regression model without adjusting for C for matched case-control designs; model 4, unconditional logistic regression model with adjusting for C for matched case-control designs; model 5, conditional logistic regression model with adjusting for C for matched case-control designs