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. 2023 Jan;29(1):26–35. doi: 10.3201/eid2901.220530

Table. Characteristics of patients with and without Down syndrome in a study of risk for severe illness and death among pediatric patients hospitalized for COVID-19, Brazil*.

Characteristics
No. participants
p value
With Down syndrome, n = 236
Without Down syndrome, n = 14,448
Median age, y (IQR)
3.4 (0.6–12.4)
3.6 (0.7–11.5)
0.670
Sex, % N = 236 N = 14,440
M 50.0 53.9 0.237
F
50.0
46.1

Died, no. (%)
56 (23.7)
1,181 (8.2)
<0.001
Median time to recover, d (IQR)
8.5 (4.0–18.0), n =172
5.0 (3.0–10.0), n = 11,919
<0.001
Region, no. (%)
North 17 (7.2) 907 (6.3) 0.501
Northeast 42 (17.8) 3,350 (23.2) 0.052
Southeast 100 (42.4) 6,908 (47.8) 0.101
Center West 23 (9.7) 1,330 (9.2) 0.734
South
54 (22.9)
1,953 (13.5)
<0.001
Ethnicity, no. (%) n = 191 n = 11,210
Caucasian 107 (56.0) 4,894 (43.7) 0.001
Asian 1 (0.5) 87 (0.8) >0.999
Hispanic 82 (42.9) 6,150 (54.9) 0.001
Indigenous 1 (0.5) 79 (0.7) >0.999
Missing
42 (19.1), n = 236
3,238 (22.4), n = 14,448
0.238
Signs and symptoms, no. (%)
Asymptomatic 1 (0.4) 60 (0.4) >0.999
Abdominal pain 13 (5.5) 883 (6.1) 0.891
Anosmia 2 (0.8) 304 (2.1) 0.248
Ageusia 1 (0.4) 297 (2.1) 0.097
Coryza 18 (8.1) 1,470 (10.2) 0.328
Cough 134 (56.8) 8,909 (61.7) 0.138
Diarrhea 48 (20.3) 1,979 (13.7) 0.006
Dyspnea 141 (59.7) 7,059 (48.9) 0.001
Fatigue 23 (9.7) 1,250 (8.7) 0.559
Fever 163 (69.1) 9,676 (67.0) 0.530
Headache 6 (2.5) 800 (5.5) 0.043
Myalgia 1 (0.4) 387 (2.7) 0.023
Oxygen saturation <95% 139 (58.9) 5,400 (37.4) <0.001
Respiratory discomfort 141 (59.7) 6,612 (45.8) <0.001
Sore throat 31 (13.1) 1,941 (13.4) >0.999
Vomiting 41 (17.4) 2,447 (16.9) 0.861
Other symptoms
77 (32.6)
5,189 (35.9)
0.306
Underlying conditions, no. (%)
Cardiovascular disease 84 (35.6) 505 (3.5) <0.001
Hematologic disease 4 (1.7) 274 (1.9) >0.999
Liver disease 2 (0.8) 68 (0.5) 0.311
Asthma 13 (5.5) 1,050 (7.3) 0.374
Diabetes 2 (0.8) 286 (2.0) 0.337
Neurologic disease 20 (8.5) 805 (5.6) 0.063
Pulmonary disease 11 (4.7) 301 (2.1) 0.018
Immunocompromised 16 (6.8) 513 (3.6) 0.013
Renal disease 6 (2.5) 189 (1.3) 0.137
Obesity
6 (2.5)
324 (2.2)
0.658
Intervention, no. (%)
Antiviral against influenza 30 (12.7) 1,559 (10.8) 0.341
ICU admission 112 (47.5) 3,904 (27.0) <0.001
Ventilation 159 (67.4) 6,426 44.5) <0.001
Influenza vaccinate 18 (7.6) 981 (6.8) 0.601
COVID-19 vaccine 3 (1.3) 81 (0.6) 0.153

*ICU, intensive care unit.