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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