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. 2019 Jan 10;16:3. doi: 10.1186/s12986-018-0329-0

Fig. 1.

Fig. 1

Adjusted relative risk of retinol binding protein 4 levels with risk of type 2 diabetes in meta-analysis. The relative risk (RR) of incident diabetes was obtained from each study using a random-effects model. The data markers indicate the adjusted RRs comparing highest versus lowest category of RBP4 levels. The size of the data markers indicates the weight of the study, which is the inverse variance of the effect estimate. The diamond data markers indicate the pooled RRs