Table 2.
Requisition category
| 2014 (%) | 2015 (%) | 2016 (%) | 2017 (%) | 2018 (%) | 2019 (%) | 2020 (%) | P | |
|---|---|---|---|---|---|---|---|---|
| ABID | 20 (71.4) | 65 (70.7) | 118 (78.7) | 141 (71.6) | 246 (79.6) | 284 (70.6) | 208 (74.8) | <0.001 (significant) |
| Resolution of blood group | 7 (25) | 16 (17.4) | 21 (14) | 30 (15.2) | 42 (13.6) | 96 (23.9) | 36 (12.9) | |
| Investigation of positive DAT | 1 (3.6) | 9 (9.8) | 10 (6.7) | 15 (7.6) | 12 (3.9) | 16 (4) | 28 (10.1) | |
| Complete red cell phenotype | 0 | 0 | 0 | 4 (2) | 4 (1.3) | 5 (1.2) | 5 (1.8) | |
| Other | 0 | 2 (2.2) | 1 (0.7) | 7 (3.6) | 5 (1.6) | 1 (0.2) | 1 (0.4) |
DAT=Direct antiglobulin test, ABID=Antibody identification