Clinically nonsignificant antibodies (n = 65) | Clinically significant antibodies | ||||
---|---|---|---|---|---|
Compatible or negative fetal antigen (n = 63) | Titer < 1:16 (n = 38) | Titer > 1:16, Normal MCA-PSV (n = 90) | Titer > 1:16, Abnormal MCA-PSV (n = 48) | ||
Low risk | High risk | ||||
Phototherapy | 2/65 (3.1%) | 1/63 (1.6%) | 1/38 (2.6%) | 53/90 (58.9%) | 47/48 (97.9%) |
Immunoglobulin therapy | 0/64 | 0/62 | 0/38 | 25/90 (27.8%) | 22/31 (71.0%) |
Transfusion | 0/64 | 0/63 | 0/38 | 11/90 (12.2%) | 24/41 (58.5%) |
Exchange transfusion | 0/65 | 0/63 | 0/38 | 14/90 (15.6%) | 27/48 (56.3%) |