TABLE 2.
Characterization of Brazilian hospitalized patients with severe acute respiratory syndrome (SARS) due to the coronavirus disease (COVID-19).
| Patient’s characteristics | Group | N (%) |
| Sex | Female | 496,972 (44) |
| Male | 632,696 (56) | |
| Age (years old, y.o.) | 0–12 y.o. | 13,789 (1.2) |
| 13–24 y.o. | 20,976 (1.9) | |
| 25–60 y.o. | 611,864 (54.2) | |
| 61–72 y.o. | 252,260 (22.3) | |
| 73–85 y.o. | 167,534 (14.8) | |
| +85 y.o. | 63,415 (5.6) | |
| Race | White | 504,436 (53.2) |
| Black | 47,864 (5.0) | |
| Asian | 10,789 (1.1) | |
| Multiracial background (Pardos) | 383,466 (40.4) | |
| Indigenous | 1,779 (0.2) | |
| Educational level | Illiterate | 27,483 (6.1) |
| Middle school first cycle | 119,784 (26.7) | |
| Middle school second cycle | 84,594 (18.8) | |
| High school | 146,574 (32.6) | |
| University education | 65,859 (14.7) | |
| Does not apply | 4,890 (1.1) | |
| Place of residence | Urban | 969,346 (94.5) |
| Rural | 52,634 (5.1) | |
| Peri-urban | 3,286 (0.3) | |
| Living in a flu outbreak region | Yes | 79,246 (27.7) |
| No | 207,324 (72.3) | |
| Nosocomial infection | Yes | 18,522 (2.0) |
| No | 895,922 (98.0) | |
| Clinical signs | Fever | 641,034 (62.6) |
| Cough | 790,485 (75.6) | |
| Sore throat | 204,933 (21.8) | |
| Dyspnea | 824,547 (78.7) | |
| Respiratory discomfort | 669,097 (66.4) | |
| SpO2 <95% | 758,810 (74.2) | |
| Diarrhea | 157,490 (16.8) | |
| Abdominal pain | 67,445 (8.1) | |
| Fatigue | 293,907 (34.1) | |
| Loss of smell | 113,401 (13.5) | |
| Loss of taste | 115,379 (13.8) | |
| Vomit | 96,013 (10.4) | |
| Other symptoms | 372,899 (41.6) | |
| Comorbidities | Puerperal | 3,057 (0.3) |
| Cardiopathies | 340,295 (30.5) | |
| Hematologic diseases | 7,262 (0.7) | |
| Down syndrome | 3,406 (0.3) | |
| Hepatic diseases | 8,675 (0.8) | |
| Asthma | 43,245 (3.8) | |
| Diabetes mellitus | 241,699 (21.7) | |
| Neurological diseases | 35,980 (3.2) | |
| Immunosuppressive diseases | 23,784 (2.1) | |
| Chronic renal diseases | 35,460 (3.2) | |
| Obesity | 96,121 (8.7) | |
| Other comorbidities | 273,913 (25.3) | |
| Received Influenza | Yes | 120,149 (22.4) |
| vaccine in the last campaign in Brazil | No | 415,795 (77.6) |
| Antiviral use to treat the Flu clinical signs | Yes | 68,218 (8.2) |
| No | 765,281 (91.8) | |
| Thorax X-ray findings | Normal findings | 18,902 (3.0) |
| Infiltrate interstitial | 150,000 (24.0) | |
| Consolidation | 17,034 (2.7) | |
| Mixed findings | 21,416 (3.4) | |
| Other findings | 62,351 (10.0) | |
| Not performed | 354,249 (56.8) | |
| Thorax computerized tomography findings | COVID-19 typical findings | 450,867 (65.5) |
| COVID-19 undetermined | 16,941 (2.5) | |
| COVID-19 atypical | 9,020 (1.3) | |
| Negative for pneumonia | 1,756 (0.3) | |
| Other findings | 29,586 (4.3) | |
| Not performed | 179,735 (26.1) | |
| Need for intensive care unit | Yes | 366,350 (36.4) |
| No | 640,981 (63.6) | |
| Need for mechanical ventilatory support | Invasive | 207,086 (20.8) |
| Non-invasive | 604,467 (60.7) | |
| Non-required* | 184,940 (18.6) | |
| Closure criteria | Laboratory criterion | 1,000,501 (91.0) |
| Clinical epidemiological findings | 11,080 (1.0) | |
| Clinical findings | 24,669 (2.2) | |
| Clinical and images findings | 63,058 (5.7) | |
| Patient’s evolution (outcome) | Cure | 679,172 (65.8) |
| Death | 350,496 (34.0) | |
| Non-related death to SARS | 2,240 (0.2) | |
| Received the | Yes | 124,087 (28.1) |
| SARS-CoV-2 vaccine in Brazil | No | 317,535 (71.9) |
We presented the data as the number of patients (N) and percentage (%); SpO2, arterial oxygen saturation. *In some cases, mechanical ventilation was not performed due to a lack of equipment.