Table 3.

Clinical characteristics of patients need intensive care unit between the pandemic year 2021 and pre-pandemic years 2016−2019 for RSV.

	Pre-pandemic years (n=376)	Pandemic year 2021 (n=66)	P value
Male sex, %	248 (66.0)	42 (63.6)	0.72
Median age, m	3 (2-6)	7 (2-24)	<0.001
Age groups, %
0-5m	272 (72.3)	27 (40.9)	<0.001
6-11m	47 (12.5)	12 (18.2)	0.21
12-23m	18 (4.8)	6 (9.1)	0.16
2-4y	32 (8.5)	12 (18.2)	0.02
5-15y	7 (1.9)	9 (13.6)	<0.001
Comorbidities, %	106 (28.2)	23 (34.9)	<0.001
Cardiovascular  diseases	64 (17.0)	6 (9.1)	<0.001
Respiratory diseases	26 (6.9)	5 (7.6)	0.85
Neurologic and  muscular diseases	18 (4.8)	3 (4.5)	0.93
Malignancy	6 (1.6)	8 (12.1)	<0.001
Metabolic diseases	6 (1.6)	2 (3.0)	0.34
Immunologic	3 (0.8)	2 (3.0)	0.16
Gastrointestinal	1 (0.3)	1 (1.5)	0.28
Renal	1 (0.3)	1 (1.5)	0.28
Complications during admission, %
Pneumothorax	8 (2.1)	3 (4.5)	0.22
Pleural fluid	19 (5.1)	3 (4.5)	0.86
Meningitis	4 (1.1)	1 (1.5)	0.56
Seizure	4 (1.1)	2 (3.0)	0.22
Apnea	12 (3.2)	2 (3.0)	0.95
Oxygen support, %
High-flow  nasal canula	150 (39.9)	24 (36.4)	0.59
Mechanical  Ventilation	49 (13)	11 (16)	0.44
Death, %	1 (0.3)	5 (7.6)	<0.001*

P<0.001 means the difference is statistically significant.