Survival and Mortality in Hospitalized Children with COVID-19: A Referral Center Experience in Yazd, Iran

Table 4

Hazard ratio of characteristics of children with COVID-19 in Shahid Sadoughi Hospital in Yazd.

Variables		Univariate		Multivariate
		HR (95% CI)	value	HR, (95% CI)	value
Age	1 month–1 year	1.31 (0.42–4.08)	0.63	0.00	0.98
	1 year–5 years	0.83 (0.29–2.39)	0.73	0.73 (0.12–4.36)	0.72
	5 years–13 years	0.40 (0.11–1.43)	0.16	0.58 (0.08–4.22)	0.59
	13 years–18 years	—	—	—	—
Sex	Boys	—	0.72	—	0.22
	Girls	1.16 (0.52–2.58)		0.43 (0.11–1.66)
History of hospitalization	No	—	0.007	—	0.09
	Yes	3.0 (1.35–6.7)		3.63 (0.78–16.82)
Underlying diseases	No	—	0.16		0.29
	Yes	1.78 (0.79–4.0)		1.2 (0.55–7.3)
CT findings	Normal	—	0.18
	Abnormal	0.24 (0.03–1.88)		—
O2 saturation without support	≥94%	—	0.04	—	0.15
	<94%	3.03 (1.05–8.73)		2.85 (0.68–11.98)
Lymphs (%)	No	—	0.08		0.61
	Yes	2.23 (0.9–5.5)		0.7 (0.18–2.74)
AST (U/L)	15–45	—	0.09
	>45	2.37 (0.86–6.52)
CPK (U/L)	≤200	—	0.07
	>200	3.62 (0.9–14.5)
PICU admission	No	—	<0.001
	Yes	27.24 (6.4–115.93)
Intubation	No	—	<0.001
	Yes	14.3 (6.04–33.86)
Ventilator support	No		<0.001
	Yes	16.08 (6.87–35.85)
Length of hospital stay (day)	≤7	—	—	—	—
	8–14	3.27 (1.33–8.0)	0.01	0.37 (0.04–3.45)	0.39
	≥15	3.77 (1.21–11.7)	0.02	1.68 (0.24–11.85)	0.6