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In the multivariate predictor model, age and the presence of an affective disorder were the only significant predictors of rehospitalization.
This was followed by a stepwise logistic regression with backward elimination to identify a multivariate predictor model.
In addition, we would like to point out that the 6-week pain intensity predictor alone had better ability to predict future pain score (R = 0.350 in the test set) compared to the full multivariate predictor model (R = 0.261 in the test set).
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The goal in developing the multivariate predictor models was to predict pain outcome for individuals.
The multivariate predictor models used a forward stepwise variable selection procedure with p < .05 required for entry into the model [ 55].
Final selection of multivariate predictors (model 4) was determined with stepwise analysis as a backward-stepping procedure based on a likelihood ratio test with a P value greater than 0.10 used for exclusion from the model.
Results: In the multivariate stepwise model the strongest predictor of ultrasound estimated fetal weight was basal hepatic glucose production, followed by late gestation insulin sensitivity (total R 2 = 0.27).
Figure 2 Kaplan-Meier survival curves by quartile of linear predictor from reduced multivariate Cox model.
In the present study maternal sensitivity neither correlated in a bivariate way with maternal depressive symptoms, nor showed predictive properties as a predictor in the multivariate regression model.
In their study, the QTVI was the only clinical variable that identified patients with a previous incidence of SCD in multivariate regression model, outperforming as predictor of several well-known parameters, such as QT interval spatial dispersion, T-wave alternans, ventricular tachycardia inducibility, signal-averaged ECG, heart rate variability, and left ventricular ejection fraction.
The parameter estimates from the most efficient predictor multivariate models were used to construct subject-specific predictor scores.
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