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. 2019 Jan;17(1):4–15. doi: 10.2450/2019.0229-18

Table II.

Comparison of the prevalence of erythrocyte alloimmunisation between patients with thalassaemia major and thalassaemia intermedia.

Subgroup Model N. of studies Mean proportion 95% C.I.
TM Random effects 25 0.1012 0.0773 0.1313
TI Random effects 8 0.1497 0.0918 0.2345
All Random effects 33 0.1100 0.0871 0.1380

Studies distinguishing the clinical variants, thalassaemia major (TM) and thalassaemia intermedia (TI).The mean proportion (prevalence) of alloantibodies is reported for patients with TM and TI with 95% confidence intervals (C.I.). The same indexes are reported on the aggregate (all) set of studies.