Skip to main content

Table 1 Prevalence of study variables stratified by infection

From: The interplay between infection risk factors of SARS-CoV-2 and mortality: a cross-sectional study from a cohort of long-term care nursing home residents

 

Totala

PCR positive

Deathb

 

(N = 8021)

(N = 2225; 27.7%)

(N = 909; 11.3%)

Variable

n

%

n

%

P

n

%

P

Gender

        

Male

2079

25.9

597

28.7

.2

309

14.7

< .001

Female

5939

74.1

1626

27.4

600

10.1

Age in years (m, SD)

86.4

(7.4)

86.5

(7.3)

.2

87.4

(7.1)

< .001

65-74

638

8.0

166

26.0

.2

47

5.2

 

75-79

752

9.4

210

27.9

83

9.1

 

80-84

1362

17.0

346

25.4

133

14.6

< .001†

85-89

2289

28.6

663

29.0

260

28.6

 

≥90

2977

37.1

838

28.2

386

42.5

 

Level of functional depdendence (low/high)c

        

High level of functional dependence

6013

80.3

1497

24.9

< .001

357

5.9

< .001

Low level of functional dependence

1475

19.7

447

30.3

178

12.1

Comorbidities

        

Hypertension

3855

48.3

1164

30.2

< .001

488

12.7

.001

Diabetes Mellitus-II

1593

20.0

471

29.6

.08

208

13.1

.02

Chronic renal insufficiency

1564

19.6

451

28.8

.3

230

14.7

< .001

Dementia

3666

45.9

1002

27.3

.4

472

12.9

< .001

Cardiovascular disease d

1115

14.0

363

32.6

< .001

170

15.3

< .001

Respiratory disease e

824

10.3

262

31.8

.007

124

15.1

< .001

Cerebrovascular disease

211

2.6

46

21.8

.05

28

13.3

.4

Clinical complexity

        

Complex Chronic Condition

723

17.3

202

27.9

.9

533

12.8

< .001

Number of residents f

        

≤ 40 (N = 84)

2060

25.7

1464

17.6

< .001

194

9.4

< .001g

41-72 (N = 44)

1986

24.8

1419

22.3

196

9.9

73-108 (N = 25)

2049

25.6

1512

31.0

239

11.7

> 108 (N = 16)

1926

24.0

1407

40.7

280

14.5

Community cumulative incidence (cases by 10,000 inhabitants)

        

≤ 54.7

1994

25.4

1811

16.9

< .001

137

6.9

< .001g

54.8-72.9

1903

24.2

1620

28.6

221

11.6

73.0-83.9

1840

23.4

1515

30.0

200

10.9

≥ 84.0

2115

26.9

1769

36.8

340

16.1

  1. Includes participants with data available
  2. Includes mortality among participants with PCR test result available
  3. Levels of functional dependence have been calculated using the Barthel score, which provides a range from 0 to 100. The cut-off between high and low functional dependence has been set up at 50
  4. Includes ischemic heart disease and heart insufficiency
  5. Include Chronic Obstructive Pulmonary disease, asthma, and emphysema
  6. f N indicates the number of LTCF institutions included in each strata
  7. P test for trend