Table 1.

Demographic information. GCS: Glasgow Coma Scale. Hgb: hemoglobin. PRISM III: pediatric risk of mortality III score. SD: standard deviation. Values represented as “x (y)” are the median (interquartile range). Values with “x ± y” are mean ± SD.

Clinical variable	Patients transfused (n = 53)	Patients not transfused (n = 67)	p value
Mean age (years)	3.5 (3.5)	11.3 (10.6)	<0.005
Male gender (%)	32 (60)	47 (70)	0.262
Year of admission (%)
2001–2006	28 (52)	34 (51)	0.821
2007–2012	25 (48)	33 (49)	0.821
Mechanism of injury
Motor vehicle accident	23 (43)	26 (39)	0.611
Fall	3 (6)	9 (13)	0.159
Assault	10 (19)	10 (15)	0.565
Accidental	17 (32)	22 (33)	0.930
Suspected nonaccidental trauma (%)	12 (23)	14 (21)	0.818
Mortality (%)	13 (25)	7 (10)	0.040
PRISM III score	10.0 (9)	5.0 (2)	<0.005
Mean ICU length of stay (days)	6.0 (6)	3.0 (2)	<0.005
Mean hospital length of stay (days)	15.0 (22)	9.0 (13)	0.049
Patients with ICP monitor (%)	26 (49)	8 (12)	<0.005
Mean daily ICP (mmHg)
Day 1	12.0 (8)	17.0 (14)	0.624
Day 2	14.0 (8)	16.0 (12)	0.815
Day 3	16.0 (8)	18.0 (8)	0.477
Day 4	14.0 (8)	15.0 (13)	0.673
Day 5	14.0 (10)	18.0 (53)	0.622
Day 6	18.0 ± 10.8
Day 7	16.5 ± 4.4
Admission Glasgow Coma Scale (GCS)	3.0 (4)	6.0 (4)	0.009
Surgical procedures performed (%)
0	27 (51)	55 (82)	<0.005
1	10 (19)	7 (10)	0.189
2	16 (30)	5 (7)	0.001
Presence of raised ICP on imaging (%)	32 (60)	20 (30)	0.001
Presence of intracranial hemorrhage (%)	39 (74)	39 (58)	0.079
Intracranial hypertension medical management (%)
Mannitol admin	21 (40)	10 (15)	0.002
3% NaCl admin	6 (11)	4 (6)	0.292
Hypothermia	8 (15)	9 (13)	0.795
Use of neuromuscular blockade (%)	21 (40)	19 (28)	0.194
Admission Hgb (g/L)	101.6 ± 24.6	126.7 ± 13.9	<0.005
Nadir Hgb in first 7 days (g/L)	83.0 (20)	105.0 (18)	<0.005
Mean Hgb over first 7 days (g/L)	106.8 (12)	115.8 (14.5)	<0.005
Mean number of transfusions	1.67 ± 1.78