Recipient group Control group p
  n=5 n=20  
Patent ductus arteriosus 1(20) 0(0) 0.20
Pulmonary hemorrhage 1(20) 0(0) 0.20
Pneumothorax 0(0) 0(0) --
Intraventricular hemorrhage 1(20) 0(0) 0.20
Periventricular leukomalacia 3(60) 2(10) 0.038*
Septicemia 1(20) 3(15) >0.99
Necrotizing enterocolitis 1(20) 1(5) 0.37
Chronic lung disease 2(40) 1(5) 0.091
Retinopathy of prematurity requiring
photocoagulation
1(20) 1(5) 0.37
Transfusion (times) 3.8±4.5 0.6±1.3 0.039*
Alive at discharge 5(100) 20(100) --
*p<0.05 Values are mean±SD or numbers (percentages)
Table 2: Comparison of adverse clinical events between the two groups.