Fig. 4
Correlation between overall health-related quality of life score and socio-demographic and clinical parameters among patients with transfusion dependent β-thalassaemia; (a) Age, (b) Pretransfusion haemoglobin, (c) Annual transfusion requirement, (d) Serum ferrtin, (e) Spleen size, (f) Liver size, (g) Duration of hospital stay and (h) Distance from home to hospital. Each dot in scatter plots represents individual patients and correlation were quantified using Pearson correlation coefficient (r, for continuous data) or Spearman correlation coefficient (rs, for discrete or ordinal data)