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Fig. 3 | Stem Cell Research & Therapy

Fig. 3

From: Potentiation of cord blood cell therapy with erythropoietin for children with CP: a 2 × 2 factorial randomized placebo-controlled trial

Fig. 3

Electroencephalogram mapping before and after UCB injection. Average delta/alpha band power ratio (DAR) from electroencephalogram (EEG) is depicted on the 2D brain topomap. DAR from EEG taken before treatment, 12 months after treatment, and their difference (post-treatment–pre-treatment) are shown from left towards right. a Taken from group A (n = 20, mean age of pre-treatment EEG was 2.95 ± 1.20 years), b from group B (n = 20, mean age of pre-treatment EEG was 2.71 ± 1.27 years), c from group C (n = 20, mean age of pre-treatment EEG was 3.28 ± 1.27 years), and d from group D (n = 19, mean age of pre-treatment EEG was 4.17 ± 1.41 years). Among the total 88 participants, only 79 EEG data at baseline and 12 months post-treatment were able to be appropriately processed. Six participants lacked follow-up study, and 3 files were invalid on the analyzing program. *P < 0.05 by Mann-Whitney U test comparing the difference between pre- and post-treatment DAR. DAR, delta/alpha ratio; EEG, electroencephalogram; UCB, umbilical cord blood

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