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Table 2 Results of meta-regression for the RDW and preeclampsia

From: Red cell distribution width and preeclampsia: a systematic review and meta-analysis

Covariate Coefficient 95% confidence interval Standard error P
Age – 0.173 – 0.494– 0.147 0. 164 0.290
Parity – 0.680 – 1.55– 0.195 0.446 0.128
Quality of the studies −0.632 −1.93–0.67 0.666 0.343