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Table 2 Sample means for generic health-related quality of life in pediatric patients with PM/ICD and their controls: comparison between patients and control group and between self- and proxy report

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

  Parent proxy-report form Child self-report form Interaction:
Study group (patient/control) vs. report (self/proxy)
Differences
Patient sample vs. control group
(all control – patient differences)
Differences
Self- vs. proxy report
(all self – proxy differences)
Patient sample Control group Patient sample Control group
Device type n M (SD) n M (SD) Device type n M (SD) n M (SD) p- value M (SD) p- value M (SD) p- value
PedsQL scales
 Total Score PM 57 83.0 (14.5) 59 89.9 (8.1) PM 39 82.1 (11.6) 42 86.7 (12.2) .34 7.1 (17.8) .007 −1.3 (9.8) .21
 Physical Health Summary PM 57 86.4 (16.5) 59 94.6 (8.5) PM 39 84.0 (13.9) 42 87.6 (14.2) .24 8.7 (18.4) ≤.001 −2.8 (12.6) .06
 Psychosocial Health Summary PM 57 79.6 (14.3) 59 85.1 (9.6) PM 39 80.3 (11.6) 42 85.8 (11.9) .85 5.4 (19.0) .057 0.1 (12.5) .78
  Emotional Functioning PM 57 73.2 (17.2) 59 75.6 (15.1) PM 39 76.5 (16.6) 42 82.5 (12.8) .26 2.2 (26.1) .69 1.5 (16.3) .93
  Social Functioning PM 57 85.9 (19.2) 59 91.0 (11.9) PM 39 84.6 (13.6) 42 90.0 (15.5) .84 5.0 (23.4) .16 −1.1 (13.9) .94
  School Functioning PM 55 80.1 (17.1) 56 88.7 (12.2) PM 39 79.6 (13.4) 42 84.8 (14.1) .43 9.4 (20.5) .002 0.0 (18.9) .41
PedsQL scales
 Total Score ICD 13 75.8 (16.0) 13 92.2 (7.0) ICD 12 77.7 (14.9) 13 91.0 (7.2) .16 16.4 (15.1) .009 2.1 (17.5) .41
 Physical Health Summary ICD 13 76.0 (17.4) 13 95.9 (5.9) ICD 12 76.0 (19.8) 13 90.1 (9.4) .17 20.0 (16.5) .005 −0.3 (22.8) .53
 Psychosocial Health Summary ICD 13 75.6 (16.8) 13 88.6 (11.3) ICD 12 79.4 (12.2) 13 91.8 (5.7) .75 12.9 (17.8) .02 4.4 (15.0) .33
  Emotional Functioning ICD 13 72.3 (23.3) 13 84.6 (14.1) ICD 12 79.2 (14.4) 13 89.2 (9.8) .62 12.3 (21.4) .06 7.1 (17.9) .21
  Social Functioning ICD 13 80.4 (19.1) 13 93.5 (11.3) ICD 12 82.5 (13.7) 13 95.4 (8.3) .79 13.1 (21.5) .06 1.7 (22.4) .39
  School Functioning ICD 13 74.2 (18.0) 13 87.7 (13.0) ICD 12 76.7 (15.1) 13 90.8 (7.9) .88 13.5 (21.4) .06 4.6 (18.6) .73
  1. Higher scores indicate better health-related quality of life
  2. PedsQL Pediatric quality of life inventory, PM Pacemaker, ICD Implantable cardioverter defibrillator
  3. Calculation for the interaction: Let YPPr, YCPr, YPS, YCS define HRQoL of the patients and controls for self- and proxy reports, respectively. Then the difference (YPPr-YCPr) – (YPS-YCS) was calculated and tested against 0 by Wilcoxon test
  4. Significant values are indicated in bold