Table 1 .
Distribution of patients receiving blood transfusions in each age group
| Age group | No of procedures | No of patients transfused | Percentage transfused | Volume required (mL/kg) | Transfusion* | No transfusion* | ||
|---|---|---|---|---|---|---|---|---|
| Weight (kg) | Length (min) | Weight (kg) | Length (min) | |||||
| 1 month or younger | 6532 | 1556 | 23.8 | 36.23 (47.64) | 2.98 (0.73) | 159.55 (75.37) | 3.31 (2.92) | 75.25 (61.19) |
| 1–6 months | 12 291 | 1915 | 15.6 | 21.84 (25.60) | 4.76 (1.54) | 139.01 (81.44) | 5.11 (2.15) | 65.72 (55.40) |
| 6 months to 1 year | 15 769 | 842 | 5.3 | 30.39 (31.74) | 7.42 (1.64) | 175.7 (90.60) | 8.62 (6.94) | 45.67 (51.77) |
| 1–3 years | 46 506 | 985 | 2.1 | 22.2 (28.13) | 11.4 (2.47) | 181.39 (99.90) | 11.96 (6.55) | 31.92 (46.14) |
| 3–10 years | 86 785 | 1150 | 1.3 | 20.75 (27.56) | 19.68 (8.31) | 201.3 (134.00) | 22.52 (9.09) | 37.84 (48.00) |
| 10 years or older | 63 062 | 1706 | 2.7 | 12.92 (15.90) | 53.58 (19.10) | 271.06 (164.00) | 57.33 (21.79) | 65.5 (71.00) |
| All age groups | 230 945 | 8154 | 3.5 | 23.5 (31.70) | 17.8 (21.30) | 188.30 (123.10) | 27.8 (22.70) | 46.9 (57.80) |
Values are mean (SD).
*Patients were divided into two groups based on administration of any blood product (Transfusion) or no blood product administration during surgery (No transfusion). The patient weight and surgery length is shown for each subgroup.