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(a) Survival analysis of transfused and nontransfused TNM I/II stage patients with POHb >100 g/L. (b) Survival analysis of transfused and nontransfused TNM III stage patients with POHb >100 g/L. (c) Survival analysis of transfused patients with different units of blood. (d) Survival analysis of transfused patients with different transfusion time.
