Overstay2 scoring model for Grace Hospital: Difference between revisions
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== Data elements and assigned coefficients == | == Data elements and assigned coefficients == | ||
{ | The binary logistic regression Y (Overstay GE 10 Days) which gave the AUC C-index =0.835 implying better predicted model and Hosmer and Lemeshow Goodness of fit test Chi-Square value of 6.1731 (prob=0.6278) is : | ||
LN(Pred/1-Pred) = Y | |||
{| class="wikitable notsortable" | |||
!Parameter !! Estimate !! Prob > ChiSq | |||
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| Intercept || -9.9707 || <.0001 || | |||
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| Age || 0.0281 || <.0001 || | |||
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| Homeless || 1.2558 || 0.0166 || | |||
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| PCH || -3.6064 || <.0001 || | |||
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| OutsideWPG || || || | |||
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Where R is the risk of bad outcome and the categorical variable gender, is coded female=0 and male=1. | |||
How to calculate R: | |||
R=exp(Y)/1 + exp(Y) | |||
Heart rate (HR), respiratory rate (RR), White Blood cell Count (WBC), systolic Blood Pressure (sBP, AP Sys BP Field) - are continuous data | |||
The cut-off probability for R is 0.088 . "A cut-off point of 0.088, or a predicted probability of adverse outcome of 8.8%, was used to classify patients into two groups; high-risk and low-risk of adverse outcome." (from publication) | |||
== Log == | == Log == | ||