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. 2019 Aug 8;17:137. doi: 10.1186/s12955-019-1207-9

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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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 (r_s, for discrete or ordinal data)