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Table 5 Correlation of model error terms “.e” for mortality, ventilation and ROD

From: Modelling hospital outcome: problems with endogeneity

Correlation Estimate Robust SE z p-value 95%CI_lower 95%CI_upper
Ventilation.e vs mortality.e −0.235 0.089 −2.640 0.008 −0.399 −0.055
Log ROD.e vs mortality.e 0.471 0.008 58.29 0.000 0.455 0.486
Log ROD.e vs ventilation.e −0.052 0.005 −10.35 0.000 −0.062 −0.042