Unexpected antibody frequency between obstetrics and infertility centers
| Obstetrics | Infertility center | P | |
|---|---|---|---|
| Age (median, range) | 35 (26∼52) | 36 (31∼48) | 0.181 |
| Antibody frequency (N, %) | 57/9531 (0.6) | 42/18313 (0.2) | 0.000 |
| Anti-D (N, %) | 14 (24.6) | 2 (4.8) | 0.008 |
| Anti-E (N, %) | 7 (12.3) | 4 (7.7) | 0.755 |
| Anti-e (N, %) | 0 (0.0) | 2 (4.8) | 0.177 |
| Anti-c (N, %) | 1 (1.8) | 0 (0.0) | 1.000 |
| Anti-M (N, %) | 12 (21.1) | 10 (23.8) | 0.744 |
| Anti-Lea (N, %) | 2 (3.5) | 3 (7.1) | 0.648 |
| Anti-Leb (N, %) | 1 (1.8) | 3 (7.1) | 0.308 |
| Anti-Jka (N, %) | 1 (1.8) | 0 (0.0) | 1.000 |
| Anti-Fyb (N, %) | 1 (1.8) | 1 (2.4) | 1.000 |
| Anti-P1 (N, %) | 1 (1.8) | 1 (2.4) | 1.000 |
| Auto antibody (N, %) | 1 (1.8) | 3 (7.1) | 0.308 |
| Unidentified antibody (N, %) | 20 (35.1) | 16 (38.1) | 0.759 |
| Antibody for high incidence antigens (N, %) | 0 (0.0) | 1 (2.4) | 0.424 |