Table 3.

Frequency of alloantibodies compared to age and sex parameters

Age	Number of patients	Number of patients with alloantibodies	Anti-D	Anti-C	Anti-E	Anti-K	Anti-JK a	Anti-Fy a
$\le 10$	92	1 (2.9%)	0	0	0	1 (2.9%)	0	0
11-19	130	14 (41.2%)	3 (8.8%)	2 (5.8%)	3 (8.8%)	6 (17.6%)	0	0
20-28	134	11 (32.4%)	4 (11.7%)	2 (5.8%)	0	3 (8.8%)	0	1 (2.9%)
29-38	71	6 (17.6%)	1 (2.9%)	0	2 (5.8%)	3 (8.8%)	1 (2.9%)	0
39-47	11	0	0	0	0	0	0	0
48-56	6	1 (2.9%)	0	0	0	0	0	0
57+	2	1 (2.9%)	0	1 (2.9%)	0	0	0	0
Total	446	34	8 (23.5%)	5 (14.7%)	5 (14.7%)	13 (38.2%)	1 (2.9%)	1 (2.9%)
Gender
Male	249	14 (3.1%)	2 (14.2%)	2 (14.2%)	3 (21.4%)	7 (50%)	0	0
Female	197	20 (4.4%)	6 (30%)	3 (15%)	2 (10%)	6 (30%)	1 (5%)	1 (5%)