TABLE 1.

Characteristics of the study population according to mortality.

	Mortality status		P-value
	Survivors	Non-survivors
Number of patients	n = 3,174	n = 222
PRISM III probability of death (%)
Median (range)	0.51 (0.02-79.9)	3.42 (0.1-99.5)	<0.001
PIM III probability of death (%)
Median (range)	0.72 (0.03-59.2)	3.14 (0.1-97.6)	<0.001
Patient-related factors
Age (in months)
Median (range)	35.15 (0.5-277.6)	21 (0.6-291)	<0.001
Height (cm)
Median (range)	87 (6.7-185)	76 (35-163)	<0.001
Weight (kg)
Median (range)	11.3 (1.5-98.4)	8 (1.6-72)	<0.001
By age group, N (%)			<0.001
≤12 M	897 (28.26%)	94 (42.34%)
>12 to ≤60 M	1134 (35.73%)	71 (31.98%)
>60 to ≤120 M	692 (21.80%)	32 (14.41%)
>120 M	451 (14.21%)	25 (11.26%)
Sex, N (%)			0.429
Male	1731 (54.54%)	115 (51.80%)
Female	1443 (45.46%)	107 (48.20%)
Diagnosis, N (%)
Respiratory diseases	956 (30.12%)	74 (33.33%)	0.314
Infections	489 (15.41%)	62 (27.93%)	<0.001
Central nervous system diseases	509 (16.04%)	27 (12.16%)	0.126
Malignancies	366 (11.53%)	21 (9.46%)	0.348
Cardiovascular diseases	47 (1.48%)	7 (3.15%)	0.054
Immunological diseases	13 (0.41%)	9 (4.05%)	<0.001
Renal diseases	110 (3.47%)	6 (2.70%)	0.545
Metabolic/genetic diseases	131 (4.13%)	7 (3.15%)	0.477
Hematologic diseases	41 (1.29%)	1 (0.45%)	0.273
Endocrine diseases	158 (4.98%)	1 (0.45%)	0.002
Gastrointestinal diseases	170 (5.36%)	2 (0.90%)	0.003
Others	184 (5.80%)	5 (2.25%)	0.026
Post-operative admission, N (%)	960 (30.25%)	17 (7.66%)	<0.001
Previous ICU admission, N (%)	471 (14.84%)	49 (22.07%)	0.004
Patient origin, N (%)			<0.001
Ward	984 (31.00%)	120 (54.05%)
Emergency	1103 (34.75%)	67 (30.18%)
Operating room	960 (30.25%)	17 (7.66%)
Another hospital ICU	86(2.71%)	18(8.11%)
Other	41(1.3%)	0(0.00%)
Comorbidities
Median (range)	2(0−19)	3(0−18)	<0.001
Length of stay in hours
Median (range)	64(1−5,632)	272(1−3,419)	<0.001
DNR status, N (%)	0(0.0%)	110(49.55%)	<0.001

DNR, do-not-resuscitate; ICU, intensive care unit; PIM, Pediatric Index of Mortality; PRISM, Pediatric Risk of Mortality.