Table 2

Comparison of total and component HRQOL scores: controls versus CHD subjects

ScaleControlsCHDMean
Difference*
NMean (SD)AlphaNMean (SD)Alpha(99% CI)p Value
1–12 months
Total scale score30287.3 (6.3)0.77742782.0 (13.5)0.9385.0 (2.5 to 7.5)<0.001
Physical health summary30287.3 (8.3)0.79242680.5 (14.5)0.8506.4 (3.6 to 9.2)<0.001
Physical functioning30287.1 (13.2)0.79441679.9 (21.9)0.8786.7 (2.4 to 11.0)<0.001
Physical symptoms30287.6 (9.9)0.76942382.4 (13.7)0.7284.4 (1.6 to 7.2)<0.001
Psychosocial health summary30287.3 (8.3)0.77842583.5 (16.2)0.9183.9 (0.8 to 7.0)0.001
Emotional functioning30285.6 (11.2)0.84342179.7 (19.4)0.9036.5 (2.7 to 10.2)<0.001
Social functioning29390.4 (10.8)0.74335790.8 (18.6)0.888−1.1 (−4.8 to 2.7)0.470
Cognitive functioning20690.0 (10.4)0.76424590.2 (18.1)0.865−0.8 (−5.0 to 3.4)0.618
13–24 months
Total scale score32690.8 (5.1)0.8097282.4 (12.6)0.9497.6 (5.0 to 10.2)<0.001
Physical health summary32690.9 (5.8)0.8217278.4 (16.6)0.91112.1 (8.8 to 15.3)<0.001
Physical functioning32689.8 (11.8)0.8547274.9 (21.1)0.90914.1 (8.9 to 19.2)<0.001
Physical symptoms32691.3 (9.0)0.7986382.0 (17.0)0.7868.3 (4.2 to 12.4)<0.001
Psychosocial health summary32690.6 (7.9)0.7717285.4 (12.1)0.9073.4 (0.8 to 7.1)0.001
Emotional functioning32688.1 (9.6)0.7877277.7 (16.6)0.8779.8 (5.7 to 13.9)<0.001
Social functioning32691.8 (10.8)0.7927195.0 (12.5)0.825−4.0 (−8.0 to 0.1)0.012
Cognitive functioning32694.2 (8.3)0.8826491.8 (14.9)0.8581.8 (−1.9 to 5.5)0.201
  • *Mean difference adjusted for gender, domicile and socioeconomic status.

  • CHD, congenital heart disease; HRQOL, health-related quality of life.