CD34 and neutropenia: For early neutrophil engraftment, recipient and donor gender, recipient and donor age, CMV activation in neutropenia phase and 30 days after HSCT, ABO match, recipient and donor blood group, donor BMI, chemotherapy type, diagnosis‐HSCT interval, glucose value, disease status before HCT, CD3 × 106/kg, CD34 × 106/kg, and MNC × 108/kg were not significant.