Table 1.
Patient demographics.
| Variable | Patients not requiring platelet transfusion (n = 34) | Patients requiring platelet transfusion (n = 10) | P-value |
|---|---|---|---|
| Age (months), median (IQR) | 16 (6, 42) | 6 (3, 12) | 0.05 |
| Gender: no (%) | |||
| Male | 19 (55.9%) | 8 (80%) | 0.27 |
| Female | 15 (44.1%) | 2 (20%) | |
| Weight (kg), median (IQR) | 9 (5.8, 17.7) | 7.4 (4.9, 9.9) | 0.16 |
| BSA (m2), median (IQR) | 0.42 (0.30, 0.60) | 0.38 (0.29, 0.43) | 0.20 |
| Race: no (%) | |||
| Caucasian | 28 (82.4%) | 9 (90%) | 1 |
| African American | 2 (5.9%) | 0 | |
| Other | 4 (11.8%) | 1 (10%) | |
| Type of CHD: no (%) | |||
| Cyanotic | 17 (50%) | 7 (70%) | 0.31 |
| Acyanotic | 17 (50%) | 3 (30%) | |
| STAT mortality category: no (%) | |||
| 1 | 21 (61.8%) | 0 | <0.0001 |
| 2 | 8 (23.5%) | 1 (10%) | |
| 3 | 4 (11.8%) | 2 (20%) | |
| 4 | 1 (2.9%) | 3 (30%) | |
| 5 | 0 | 4 (40%) | |
| CPB time (minutes), median (IQR) | 82 (59, 109) | 125 (94, 141) | 0.02 |
| Aortic cross clampTime (minutes), median (IQR) | 41 (26, 60) | 52 (21, 89) | 0.4 |
| Pre-operative platelet count, median (IQR) | 291 (250, 325) | 294 (231, 344) | 0.89 |
| Chest tube output (mL/Kg) in the 4 h following the procedure, median (IQR) | 5.20 (3.05, 6.70) | 12.45 (6.40, 25.52) | 0.002 |
| Intra-operative blood product transfusion | |||
| Red blood cells, no (%) | 22 (64.7%) | 9 (90%) | 0.12 |
| Fresh Frozen Plasma, no (%) | 22 (64.7%) | 8 (80%) | 0.31 |
| Cryoprecipitate, no (%) | 1 (2.9%) | 4 (40%) | 0.007 |
| Post-operative blood product transfusion | |||
| Red blood cells, no (%) | 7 (20.6%) | 4 (40%) | 0.2 |
| Fresh Frozen Plasma, no (%) | 0 | 2 (20%) | 0.05 |
| Cryoprecipitate, no (%) | 0 | 1 (10%) | 0.23 |
BSA, body surface area; CHD, congenital heart disease; CPB, cardiopulmonary bypass. Data presented as either a percentage (%) or as median (interquartile range).