Table 2.
Demographic and clinical data of the study sample
| Variables | Non-transfused# | Transfused^ | p value |
|---|---|---|---|
| Age at admission (months) | 83.2 ± 74.6 | 92.4 ± 81.2 | 0.01 |
| Sex (M/F) | 2385/2054 | 289/247 | 0.98 |
| Hemoglobin (g/dL) | 12.0 ± 2.2 | 10.4 ± 2.4 | <0.001 |
| Reason for PICU admission | |||
| Respiratory | 1687/4439 (38 %) | 95/536 (17.7 %) | <0.001 |
| Cardiovascular | 160/4439 (3.6 %) | 70/536 (13.1 %) | <0.001 |
| Gastrointestinal | 134/4439 (3.0 %) | 35/536 (6.5 %) | <0.001 |
| Neurologic | 703/4439 (15.8 %) | 37/536 (6.9 %) | <0.001 |
| Oncologic | 160/4439 (3.6 %) | 28/536 (5.2 %) | <0.06 |
| Trauma | 429/4439 (9.7 %) | 106/536 (19.8 %) | <0.001 |
| PRISM III score | 2.5 ± 4.1 | 7.7 ± 9.0 | <0.001 |
| PIM2 score | −5.1 ± 1.5 | −4.1 ± 1.8 | <0.001 |
| Day 1 PELOD | 5.3 ± 5.2 | 9.7 ± 9.2 | <0.001 |
| Vasoactive agents | 408/4439 (9.2 %) | 94/536 (17.5 %) | <0.001 |
| PICU LOS (days) | 3.1 ± 5.9 | 9.5 ± 14.7 | <0.001 |
| Mechanical ventilation (days) | 3.9 ± 8.9 | 9.1 ± 14.6 | <0.001 |
| Mortality n (%) | 42/4439 (0.9 %) | 48/536 (9.0 %) | <0.001 |
| 30-day mortality n (%) | 40/4439 (0.9 %) | 44/536 (8.2 %) | <0.001 |
PICU pediatric intensive care unit, LOS length of stay
# n = 4439 for age at admission, PIM2, day 1 PELOD, PICU LOS; n = 1697 for hemoglobin level on admission; n = 4437 for PRISM III; n = 1131 for mechanical ventilation
^ n = 530 for age at admission and PIM2; n = 440 1697 for hemoglobin level on admission; n = 529 for PRISMIII; n = 536 for day 1 PELOD; n = 406 for PICU LOS; n = 304 for for mechanical ventilation