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Table 3 Bivariable and multivariable logistic regression analysis of symptoms according to Clinical Frailty Score (reference value: no frailty)

From: Association between Clinical Frailty Scale (CFS) and clinical presentation and outcomes in older inpatients with COVID-19

Symptoms according to frailty

Crude OR

(95% CI)

P value

Adjusted OR

(95% CI)a

P value

Duration of symptoms < 5 days prior to admission

 

 Mild-moderate frailty

1.57 (1.12–2.21)

0.008

1.11 (0.74–1.64)

0.59

 Severe frailty

3.25 (1.05–5.13)

< 0.001

1.99 (1.17–3.28)

0.010

 Frailty

2.00 (1.49–2.69)

< 0.001

1.30 (0.90–1.87)

0.20

Fever

 Mild-moderate frailty

0.52 (0.37–0.73)

< 0.001

0.78 (0.53–1.15)

0.22

 Severe frailty

0.3 (0.35–0.81)

0.003

0.84 (0.51–1.38)

0.56

 Frailty

0.52 (0.39–0.70)

< 0.001

0.51 (0.80–1.11)

0.50

Dry cough

 Mild-moderate frailty

0.63 (0.46–0.88)

< 0.001

0.66 (0.45–0.97)

0.037

 Severe frailty

0.35 (0.22–0.54)

< 0.001

0.40 (0.23–0.67)

0.001

 Frailty

0.52 (0.39–0.70)

< 0.001

0.58 (0.40–0.83)

0.003

Wet cough

 Mild-moderate frailty

0.96 (0.61–1.49)

0.86

0.79 (0.47–1.33)

0.37

 Severe frailty

1.11 (0.65–1.49)

0.70

0.82 (0.43–1.55)

0.53

 Frailty

1.01 (0.70–1.48)

0.92

0.50 (0.81–1.27)

0.35

Dyspnea

 Mild-moderate frailty

1.10 (0.73–1.67)

0.63

1.39 (0.84–2.28)

0.19

 Severe frailty

1.29 (0.81–2.055)

0.27

1.50 (0.92–2.44)

0.10

 Frailty

0.93 (0.70–1.25)

0.67

1.04 (0.73–1.49)

0.81

Anosmia-dysgeusia

 Mild-moderate frailty

0.38 (0.20–0.73)

0.003

0.56 (0.27–1.15)

0.12

 Severe frailty

0.11 (0.03–0.47)

0.003

0.21 (0.04–0.95)

0.044

 Frailty

0.29 (0.16–0.52)

< 0.001

0.46 (0.23–0.94)

0.033

Myalgia-arthralgia

 Mild-moderate frailty

0.36 (0.23–0.56)

< 0.001

0.53 (0.32–0.88)

0.014

 Severe frailty

0.18 (0.09–0.39)

< 0.001

0.30 (0.13–0.70)

0.005

 Frailty

0.29 (0.19–0.44)

< 0.001

0.46 (0.29–0.75)

0.002

Asthenia

 Mild-moderate frailty

0.69 (0.50–0.97)

0.035

0.80 (0.55–1.16)

0.23

 Severe frailty

0.51 (0.33–0.79)

0.002

0.70 (0.42–1.16)

0.17

 Frailty

0.62 (0.47–0.84)

0.002

0.73 (0.54–1.10)

0.16

Diarrhea

 Mild-moderate frailty

0.82 (0.56–1.21)

0.33

1.25 (0.79–1.97)

0.34

 Severe frailty

0.29 (0.15–0.56)

< 0.001

0.52 (0.27–1.18)

0.13

 Frailty

0.61 (0.43–0.87)

0.007

1.05 (0.68–1.62)

0.83

Confusion

 Mild-moderate frailty

2.21 (1.32–3.69)

0.002

1.59 (0.88–2.85)

0.16

 Severe frailty

4.99 (2.93–8.50)

< 0.001

3.14 (1.64–5.97)

< 0.001

 Frailty

3.02 (1.99–4.78)

< 0.001

2.01 (1.18–3.43)

0.010

  1. Clinical Frailty Score: 0–4, no frailty; 5–9, any level of frailty; 5–6, mild-moderate frailty; 7–9, severe frailty
  2. In bold, significantly statistically values
  3. aAdjusted for age group (65–74, 75–84 and ≥85 years), sex, wave of infections, residence in nursing home, Charlson comorbidity index (dichotomized: 0–4 and ≥ 5)