Table 6: Univariate and multivariate analysis of factors for vulnerability associated with severe COVID-19 (Stage 4 or 5).

 

Univariate Analysis

Multivariate Analysis

Variable

Severe COVID-19

(%)

OR (95% CI) p-value

OR (95% CI) p-value

Male

16.6

1.09 (0.76-1.55) 0.643

-

Age ≥ 80 years

22.6

1.96 (1.37-2.80) < 0.001

1.60 (1.08-2.37) 0.019

Severe functional impairment

(Katz Index ≤ 2)

24.0

1.83 (1.11-3.00) 0.016

1.30 (0.75-2.25) 0.346

Frailty with dependence

(CFS ≥ 5)

20.2

1.71 (1.20-2.42) 0.003

1.30 (0.86-1.97) 0.208

COVID-19 Decision Support Tool

(Points ≥ 9)

17.3

1.96 (1.15-3.35) 0.012

1.32 (0.73-2.39) 0.350

Multiple Co-morbidities

(CCI ≥ 3)

16.2

1.84 (0.65-5.23) 0.247

-

Presence of delirium/cognitive impairment

(4AT ≥ 4)

18.6

1.39 (0.78-2.47) 0.268

-

Polypharmacy

(≥ 5 medications)

14.4

0.84 (0.58-1.21) 0.348

-

OR: Odds Ratio; CI: Confidence Interval