Frequencies and Specificities of “Enzyme-Only” Detected Erythrocyte Alloantibodies in Patients Hospitalized in Austria: Is an Enzyme Test Required for Routine Red Blood Cell Antibody Screening?

Table 1

Frequencies and specificities of RBC alloantibodies detected in the LISS-IAT ± enzyme (papain) (𝑛=73).

Antibody-specificities	Frequencies	Percent
Anti-D after anti-D prophylaxis	32	32.66
Anti-E	3	3.06
Anti-Le^a	4	4.08
Anti-D	5	5.10
Anti-K	5	5.10
Anti-D and anti-C	3	3.06
Anti-Fy^a	2	2.04
Anti-Kp^a	2	2.04
Anti-M	2	2.04
Anti-C^w	1	1.02
Anti-S	1	1.02
Anti-D, anti-C, and anti-K	1	1.02
Anti-E, anti-K, and anti-Fy^a	1	1.02
Anti-c, anti-K, and anti-Fy^a	1	1.02
Anti-I	1	1.02
Anti-HI	1	1.02
Nonspecific RBC alloantibodies	8	8.17
Total	73	74.49

RBC: red blood cell; Le^a: Lewis^a; K: Kell; Fy^a: Duffy^a; LISS: low-ionic strength saline; IAT: indirect antiglobulin test.