Characteristics of patients with irregular antibodies (1,077 cases
| Ages/history | Number of cases (%) | |
|---|---|---|
| Man | Woman | |
| ≤19 | 4 (1.3) | 2 (0.3) |
| 20∼29 | 3 (0.9) | 56 (7.4) |
| 30∼39 | 12 (3.8) | 218 (28.8) |
| 40∼49 | 29 (9.1) | 64 (8.5) |
| 50∼59 | 61 (19.1) | 56 (7.4) |
| 60∼69 | 75 (23.4) | 89 (11.8) |
| 70∼79 | 79 (24.7) | 145 (19.2) |
| ≥80 | 57 (17.8) | 127 (16.8) |
| Total | 320 (100.0) | 757 (100.0) |
| Past transfusion | 123 | 146 |
| Current pregnancy | 0 | 186 |
*Cases getting information possibly from test requisitions.