Effect of intraoperative blood transfusion on Treg and FOXP3 in patients with digestive tract malignancies and different ABO blood types

Table 2 Comparison of CD3⁺CD4⁺CD25⁺CD127^low Tregs at different time points in different blood types

Group	N	T0	T1	T2	T3
A	20	9.88 ± 0.39	10.77 ± 0.49	15.29 ± 0.68^★▲	9.77 ± 0.45
B	20	10 ± 0.32	10.74 ± 0.43	16.84 ± 0.58^★△	10.01 ± 0.41
O	20	9.85 ± 0.27	10.96 ± 0.53	16.14 ± 0.55^★	9.88 ± 0.68
AB	20	9.91 ± 0.4	10.86 ± 0.38	15.83 ± 0.50^★	10.00 ± 0.54
F		0.711	0.912	25.053	0.910
P		0.548	0.439	0.000	0.440

Data are expressed as mean ± standard deviation. A blood group A, B blood group B, AB blood group AB, O blood group O, T₀ before surgery, T₁ immediately after transfusion, T₂ 1 day after transfusion, T₃ 5 days after transfusion. Compared with T₀, ★P < 0.05; compared with blood group B, O, AB, ▲P < 0.05; compared with blood group A, O, AB, △P < 0.05

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