Number of new vessels created after injection of MNC preincubated in sera from HP patients (n = 29), WG patients (n = 14), CD patients (n = 16), SAR patients (83), IPF patients (n = 31), PNC patients (n = 12), COP patients (n = 5), DLD patients (n = 10), HIS patients (12), SCL patients (13), and healthy volunteers (HV) (n = 36) or PBS (n = 36). The mean values are indicated by horizontal bars, significant differences between the groups are as follows: *P < 0.05, **P < 0.01, and ***P < 0.001.