Epidemiological and Clinical Characteristics of Hospitalized Pediatric Patients with SARS-CoV-2 Infection in Mexico City, Mexico

Table 1

Comparison of demographics, clinical features, comorbidities, and hematological parameters between SARS-CoV-2 positive and negative pediatric patients.

Variable	SARS-CoV-2 positive, n = 36	SARS-CoV-2 negative, n = 85	value
Demographics
Sex (male)	16 (44.4%)	49 (57.6%)	0.1
Age (years)
<5	12 (33.3%)	43 (56.6%)	0.006
6 to 10	6 (16.7%)	17 (20.0%)
11 to 15	16 (44.4%)	13 (15.3%)
15 to 17	2 (5.6%)	12 (14.1%)
Contact with a confirmed case	8 (22.2%)	6 (7.1%)	0.01
Clinical features
Hospitalization (>1 day)	17 (47.2%)	38 (44.7%)	0.7
Comorbidities
Asthma	3 (8.3%)	4 (4.7%)	0.4
Immunosuppression	5 (13.9%)	15 (17.6%)	0.6
Cancer	5 (13.9%)	24 (28.2%)	0.09
Hypertension	1 (2.8%)	1 (1.2%)	0.5
Obesity	5 (13.9%)	3 (3.5%)	0.03
Allergies	3 (8.3%)	9 (10.6%)	0.7
CO-RADS	n = 14	n = 14
1	1 (7.1%)	8 (57.1%)	0.003
2	2 (14.3%)	0 (0.0%)
3	1 (7.1%)	0 (0.0%)
4	0 (0.0%)	2 (14.3%)
5	10 (71.4%)	4 (28.6%)
Completed vaccination scheme	n = 15	n = 37
No	0 (0.0%)	8 (21.6%)	0.1
Incomplete	4 (26.7%)	9 (24.3%)
Complete	11 (73.3%)	20 (54.1%)
Hematological parameters
ABO blood group	n = 13	n = 24
O	9 (69.2%)	18 (75.0%)	0.9
A	2 (15.4%)	3 (12.5%)
B	2 (15.4%)	3 (12.5%)
Lymphocytes	n = 18	n = 45
Normal	4 (22.2%)	13 (28.9%)	0.6
Low	13 (72.2%)	27 (60.0%)
Hight	1 (5.6%)	5 (11.1%)
Leukocytes	n = 18	n = 45
Normal	9 (50.0%)	14 (31.1%)	0.3
Low	7 (38.9%)	21 (46.7%)
Hight	2 (11.1%)	10 (22.2%)

Complete Mexican vaccination scheme.Normal ranges by age and gender: 6 months–<3 years old: male (2.34–5.45 × 10³/mcL) and female (2.34–6.44 × 10³/mcL); 3–<6 years old: male and female (1.6–5.3 × 10³/mcL); 6–<12 years old: male and female (1.4–3.9 × 10³/mcL); and ≥12 years old: male and female (1–3.2 × 10³/mcL).Normal ranges by age and gender: 6 months–<3 years old: male (7.73–13.12 × 10³/mcL) and female (7.05–12.98 × 10³/mcL; 3–<6 years old: male and female (4.4–12.9 × 10³/mcL); and ≥6 years old: male and female (3.8–10.4 × 10³/mcL).Bootstrap value. Significant values are bolded.