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Table 5 Variable selection modeling approaches

From: Forecasting the length-of-stay of pediatric patients in hospitals: a scoping review

Variable selection modeling approaches

Reference

[32]

[42]

[29]

[27]

[38]

[35]

[21]

[36]

[22]

[34]

[24]

[41]

[26]

[3]

[31]

[2]

[30]

[43]

[40]

[33]

[20]

[25]

[23]

[28]

[37]

[19]

[18]

[39]

Frequency

Significance test

   

 

      

    

  

      

6

ANOVA

  

  

 

           

  

     

5

Backward stepwise selection

      

     

       

       

3

Forward stepwise

  

           

            

3

Correlation analysis

         

          

       

2

Stepwise multiple cox regression

                

           

1

PCA

                      

     

1