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Table 6 Correlations among independent variables in the model

From: Children's vomiting following posterior fossa surgery: A retrospective study

Variable   1 2 3 4 5 6 7 8 9 10 11 12
Site 1 1.00            
4 to <6 years1 2 -.06 1.00           
7 to <12 years1 3 .16 - 1.00          
12 to <17 years1 4 -.08 - - 1.00         
Female 5 -.03 -.03 .03 .03 1.00        
Chiari I Malformation2 6 -.04 -.02 .01 .10 .15 1.00       
Other2 7 -.07 -.07 -.09 .09 -.01 - 1.00      
Presenting with Vomiting 8 .05 .11 .04 -.15 -.13 -.57* -.20* 1.00     
Administration of Ondansetron 9 -.16 .01 .10 .11 .06 .03 -.10 .03 1.00    
Administration of Dexamethasone 10 .08 .09 -.01 -.09 -.03 -.46* -.10 .40* .14 1.00   
Length of surgery 11 .08 .09 -.01 -.09 -.02 .45* -.10 -.39* .14 .30* 1.00  
Use of Desflurane 12 -.59 .01 -.12 -.13 .07 .04 -.02 -.08 .19 .03 .00 1.00
  1. 1. Reference category 0–<4
  2. 2. Reference category brain tumour surgery *Two tailed p < .01