Figure 3. Urine osmolarity example: number of selected variables in the final models of 
bootstrap resamples for backward elimination BE with 
and augmented backward elimination ABE with 
and 
.
The highlighted bars indicate the number of selected variables in the original sample. Abbreviations and symbols: 
, significance threshold; ABE, augmented backward elimination; BE, backward elimination; 
, change-in-estimate threshold;.