Safety and efficacy of allogeneic umbilical cord blood cells and erythropoietin combination therapy in patients with subacute stroke.

Furthermore, the depression scale (GDS-d) also showed a nominally significant difference between the UCB + EPO and control groups (Δ-3.00 [-5.00, -2.00] vs. Δ6.00 [-1.00, 18.50], P = 0.016) (Table 3 ).

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However, these findings were observational only, based on small subset of patients, and did not reach statistical significance (Supplementary Fig. 2).

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The UCB group showed a marginally non-significant improvement over the control group, without statistical differences in most outcome measures.

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