Health related quality of life among children with transfusion dependent β-thalassaemia major and haemoglobin E β-thalassaemia in Sri Lanka: a case control study

Table 2 Correlation between socio-demographic and clinical characteristics with health-related quality of life

	Total quality of life score	Physical functioning score	Psychosocial health summary score	Emotional functioning score	Social functioning score	School functioning score
Age^$ (n = 271)	0.029	0.082	(−) 0.004	0.126*	(−) 0.046	(−) 0.084
Duration of disease^$ (n = 271)	0.060	0.075	0.053	0.171**	0.034	(−) 0.088
Average pretransfusion haemoglobin^$ (n = 271)	0.056	(−) 0.014	0.086	0.083	0.072	0.032
Annual transfusion requirement^$ (n = 256)	0.075	0.024	0.095	0.157*	0.041	0.016
Average serum ferritin^$ (n = 263)	0.050	0.105	0.008	0.044	0.048	(−) 0.071
Spleen size^# (n = 271)	(−) 0.038	0.008	(−) 0.054	(−) 0.057	(−) 0.021	(−) 0.059
Liver size^# (n = 271)	(−) 0.044	(−) 0.005	(−) 0.062	(−) 0.025	(−) 0.034	(−) 0.082
Duration of hospital stay^# (n = 242)	(−) 0.064	(−) 0.009	(−) 0.073	(−) 0.018	(−) 0.097	(−) 0.106
Distance from home to hospital^$ (n = 244)	(−) 0.068	(−) 0.002	(−) 0.079	(−) 0.007	(−) 0.053	(−) 0.143*

Respective correlation coefficients are shown in the table. ^$Pearson correlation coefficient; ^#Spearman correlation coefficient. *p < 0.05; ** p < 0.01

ISSN: 1477-7525