Table 1.
Operation | n | Number of patients cross-matched | Number of units cross-matcheda | Number of units transfused (#)b | Number of units transfused intraoperatively (#)b | C:T ratioc | Adjusted C:T ratiod | Blood usage, % |
---|---|---|---|---|---|---|---|---|
Anterior resection | 26 | 12 | 30 | 12 (2) | 4 (2) | 2.5 | 7.5 | 40.0 |
Abdomino-perineal resection | 8 | 6 | 17 | 5 (1) | 0 | 3.4 | 17 | 29.4 |
Closure colostomy | 5 | 4 | 8 | 36 (1) | 0 | 0.2 | 8 | 450 |
Hemicolectomy | 35 | 20 | 74 | 44 (9) | 2 (2) | 1.7 | 37 | 59.5 |
Liver resection | 28 | 28 | 168 | 39 (11) | 20 (7) | 4.3 | 8.4 | 23.2 |
Reversal Hartman | 8 | 2 | 6 | 4 (1) | 0 | 1.5 | 6 | 66.7 |
Reversal ileostomy | 17 | 7 | 13 | 2 (1) | 0 | 6.5 | 13 | 15.4 |
Sigmoid colectomy | 16 | 11 | 28 | 12 (6) | 7 (4) | 2.3 | 4 | 42.8 |
Whipple's operation | 13 | 13 | 78 | 9 (4) | 9 (4) | 8.7 | 8.7 | 11.5 |
Pouch formation | 5 | 5 | 10 | 1 (1) | 0 | 10 | 10 | 10.0 |
Units cross-matched preoperatively.
# refers to the number of patients who received a transfusion in that group.
Number of cross-matched units used/number of cross-matched units requested.
Defined as the C:T ratio when only cross-matched blood used intraoperatively was included in the calculation.