Table 4 Correlation of model error terms “.e” for mortality, ventilation and HLOS
Correlation | Estimate | Robust SE | z-value | p-value | 95%CI_lower | 95%CI_upper |
|---|---|---|---|---|---|---|
Ventilation.e vs mortality.e | −0.248 | 0.085 | −2.93 | 0.003 | −0.405 | −0.076 |
Log HLOS.e vs mortality.e | −0.315 | 0.007 | −45.50 | 0.000 | −0.328 | −0.301 |
Log HLOS.e vs ventilation.e | 0.119 | 0.005 | 24.56 | 0.000 | 0.109 | 0.128 |