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Table 3 Distribution of confirmed cases of ILI and SARS, according to the individual variables selected

From: Factors associated with death in confirmed cases of COVID-19 in the state of Rio de Janeiro

Variables Overall ILI SARS Statistic parameter P-value
n % n % n % Chi-square
Age group        18,456 0.000
 0–9 years 5105 2.1% 4369 2.5% 736 1.1%
 10–19 years 7478 3.1% 6442 3.6% 1036 1.6%
 20–29 years 30,426 12.5% 25,014 14.0% 5412 8.3%
 30–39 years 53,654 22.0% 43,466 24.4% 10,188 15.6%
 40–49 years 51,913 21.3% 40,163 22.5% 11,750 18.0%
 50–59 years 40,729 16.7% 29,536 16.6% 11,193 17.1%
 60–69 years 27,034 11.1% 16,751 9.4% 10,283 15.8%
 70–79 years 15,273 6.3% 7356 4.1% 7917 12.1%
 80 years or older 10,812 4.5% 4055 2.3% 6757 10.4%
 No Information 1085 40.0% 1079 60.0% 6 0.0%
Sex        7 0.008
 Female 127,677 52.4% 93,740 52.6% 33,937 52.0%
 Male 115,832 47.6% 84,491 47.4% 31,341 48.0%
Race/skin color        723 0.000
 Brown 80,162 32.9% 60,806 34.1% 19,356 29.7%
 Asian 11,875 4.9% 9808 5.5% 2067 3.2%
 White 79,495 32.6% 58,986 33.1% 20,509 31.4%
 Indigenous 491 0.2% 441 0.2% 50 0.1%
 Black 15,802 6.5% 11,007 6.2% 4795 7.3%
 Not reported 55,684 22.9% 37,183 20.9% 18,501 28.3%
Presence of signs and symptoms       
 Fever 93,102 38.3% 53,721 30.1% 39,381 60.3% 21,309 0.000
 Cough 108,434 44.5% 65,565 36.8% 42,869 65.7% 19,156 0.000
 Headache 33,020 13.6% 24,667 13.8% 8353 12.8% 7 0.007
 Sneezing 1636 0.7% 1249 0.7% 387 0.6% 4 0.040
 Odynophagia 42,797 17.6% 28,276 15.9% 14,521 22.2% 1749 0.000
 Dyspnea 52,376 21.5% 0 0.0% 52,376 80.2% 191,664 0.000
 Runny nose 18,139 7.4% 13,931 7.8% 4208 6.4% 75 0.000
 Diarrhea 12,801 5.3% 9059 5.1% 3742 5.7% 78 0.000
 Muscle pain 23,015 9.5% 16,163 9.1% 6852 10.5% 199 0.000
 Loss of smell 21,764 8.9% 16,272 9.1% 5492 8.4% 6 0.020
 Loss of taste 15,478 6.4% 11,826 6.6% 3652 5.6% 46 0.000
Presence of comorbidities       
 Cardiovascular disease 25,845 10.6% 10,296 5.8% 15,549 23.8% 27,410 0.000
 Diabetes mellitus 15,500 6.4% 5333 3.0% 10,167 15.6% 21,888 0.000
 Chronic kidney disease 2203 0.9% 530 0.3% 1673 2.6% 4930 0.000
 Chronic respiratory disease 6318 2.6% 3036 1.7% 3282 5.0% 2079 0.000
 Immunodeficiency/ immunosuppression 2527 1.0% 1226 0.7% 1301 2.0% 1897 0.000
Evolution        30,186 0.000
 Death 18,076 7.4% 2097 1.2% 15,979 24.5%
 Non-death 225,433 92.6% 176,134 98.8% 49,299 75.5%
Total 243,509 100.0% 178,231 73.19% 65,278 26.81%
  1. Note: confirmed cases of COVID-19, state of Rio de Janeiro, March–September 2020