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Table 2 Clinical characteristics of adults and older adults hospitalized with SARS due to COVID-19 in Brazil in 2020–2022

From: COVID-19 death risk predictors in Brazil using survival tree analysis: a retrospective cohort from 2020 to 2022

Variables

2020

2021

2022

Censored

f (%)

Deaths

f (%)

Censored

f (%)

Deaths

f (%)

Censored

f (%)

Deaths

f (%)

Risk Factor

      

No

177,748 (75.2)

58,584 (24.8)

389,685 (74.8)

131,339 (25.2)

51,430 (75.7)

16,504 (24.3)

One factor

112,367 (63.6)

64,348 (36.4)

188,222 (62.3)

114,033 (37.7)

40,019 (68.7)

18,264 (31.3)

Two factors

57,727 (56.2)

45,064 (43.8)

85,427 (54.2)

72,285 (45.8)

23,311 (64.9)

12,588 (35.1)

Three or more factors

15,868 (46.7)

18,116 (53.3)

22,547 (45.7)

26,747 (54.3)

8,825 (60.1)

5,869 (39.9)

UCI Admission

      

Yes

93,976 (43.9)

120,318 (56.1)

166,633 (42.1)

229,252 (57.9)

31,800 (50.0)

31,850 (50.0)

No

269,734 (80.4)

65,794 (19.6)

519,248 (81.8)

115,152 (18.2)

91,785 (81.1)

21,375 (18.9)

Mechanical Ventilation

     

No

117,984 (86.0)

19,139 (14.0)

138,700 (87.7)

19,517 (12.3)

48,613 (90.2)

5,252 (9.8)

Non-Invasive

220,966 (74.0)

77,623 (26.0)

496,339 (77.0)

148,538 (23.0)

68,524 (72.6)

25,895 (27.4)

Invasive

24,760 (21.7)

89,350 (78.3)

50,842 (22.4)

176,349 (77.6)

6,448 (22.6)

22,078 (77.4)

Hospitalization time (days)

    

Mean (SD)

11.6 (13.4)

14.1 (13.9)

10.6 (11.8)

13.6 (12.3)

10.2 (12.4)

12.7 (13.7)

Median (Q1-Q3)

7.0 (4.0–13.0)

10.0 (5.0–18.0)

7.0 (4.0–12.0)

10.0 (5.0–18.0)

6.0 (3.0–12.0)

8.0 (4.0–16.0)

Minimum-Maximum

1.0–90.0

1.0–90.0

1.0–90.0

1.0–90.0

1.0–90.0

1.0–90.0