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Table 3 Inter-correlations between total generic and disease-specific HRQoL scores (proxy-report form) and child socio-demographic and medical characteristics

From: Health-related quality of life outcomes in pediatric patients with cardiac rhythm devices: a cross-sectional study with case-control comparison

  All patients (n = 66 to 72)
1 2 3 4 5 6 7 8 9 10 11 12 13
1. Total generic HRQoL             
2. Total disease-specific HRQoL .48***            
3. Female sex −.03 −.06           
4. Age at assessment (years) .02 .24** −.07          
5. Swiss nationality .10 .12 .00 .18         
6. Socio-economic status .06 .07 .19 −.17 .21        
7. Number of previous life events −.13 −.08 .00 .11 −.17 .03       
8. Time since initial device implant (years) −.01 .15 −.02 .38*** .02 −.10 .31***      
9. Device type (PM or ICD) .16 .16 .15 −.32*** −.13 .13 .08 .12     
10. Structural congenital heart disease −.15 −.35*** −.09 −.16 .02 −.13 −.09 .05 −.06    
11. Current cardiac medication −.33*** −.31** −.18 .11 .13 −.07 −.20 −.12 −.60*** .24*   
12. Total length of cardiac hospitalization (days) −.13 −.21* −.08 −.15 −.03 −.07 −.08 .14 .11 .57*** .21*  
13. Previous open heart surgery −.03 −.17 −.05 −.15 −.00 −.09 −.12 .09 .21 .82*** .11 .59***
14. Other non-cardiac chronic disease −.19 −.07 −.08 .18 .13 .19 .20 .17 −.16 −.02 .11 −.00 −.14
  1. Kendall correlation coefficients are presented
  2. Device type coded as 0 = ICD, 1 = PM; Structural congenital heart disease coded as 0 = no, 1 = yes; Current cardiac medication coded as 0 = no, 1 = yes; Previous open heart surgery coded as 0 = no, 1 = yes; Other chronic disease coded as 0 = no, 1 = yes (any other chronic disease than heart disease)
  3. HRQoL Health-related quality of life
  4. * p ≤ .05, ** p ≤ .01, *** p ≤ .001