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Table 5 Independent effect of gender, age, pre-existing diseases, and symptoms during SARS-CoV-2 infection on Long COVID-19 symptoms in the primary care setting

From: Long COVID-19 in children: an Italian cohort study

Response variable

Explanatory variables

OR (95% CI)

p-value

 

Gender (Females vs Males)

1.18 (0.79–1.76)

0.421

 

Age (years)

  

At least one Long COVID-19

0–5

1 (reference)

 

symptom

6–10

1.41 (0.84–2.37)

0.194

11–16

2.18 (1.31–3.62)

0.003

(153)

   
 

Pre-existing diseases (yes vs no)

1.11 (0.58–2.12)

0.746

 

Symptomatic acute infection (yes vs no)

6.57 (4.36–9.9)

 < 0.001

 

Gender (Females vs Males)

1.31 (0.67–2.55)

0.424

Abnormal fatigue

Age

  

(44)

1–5 years

1 (reference)

 
 

6–10

2.85 (0.87–9.34)

0.083

11–16

7.05 (2.35–21.12)

 < 0.001

 

Pre-existing diseases (yes vs no)

1.52 (0.62–3.74)

0.355

 

Symptomatic acute infection (yes vs no)

12.22 (5.01–29.78)

 < 0.001

 

Gender (Females vs Males)

1.67 (0.85–3.24)

0.132

 

Age (years)

  

Neurological symptoms

1–5

1 (reference)

 

(43)

6–10

5.27 (1.47–18.94)

0.011

11–16

8.73 (2.54–29.98)

0.001

 

Pre-existing diseases (yes vs no)

0.79 (0.28–2.18)

0.646

 

Symptomatic acute infection (yes vs no)

6.61 (3.13–13.94)

 < 0.001

 

Gender (Females vs Males)

0.98 (0.5–1.91)

0.954

 

Age (years)

  

Respiratory symptoms

0–5

1 (reference)

 

(38)

6–10

0.32 (0.14–0.72)

0.006

11–16

0.23 (0.09–0.58)

0.002

 

Pre-existing diseases (yes vs no)

1.14 (0.32–4.03)

0.840

 

Symptomatic acute infection (yes vs no)

2.11 (1.07–4.13)

0.030

 

Gender (Females vs Males)

1.61 (0.75–3.43)

0.217

 

Age (years)

  

Psychological symptoms

1–5

1 (reference)

 

(31)

6–10

1.28 (0.39–4.16)

0.682

11–16

3.79 (1.36–10.52)

0.011

 

Pre-existing diseases (yes vs no)

0.78 (0.22–2.74)

0.699

 

Symptomatic acute infection (yes vs no)

3.08 (1.42–6.67)

0.004

  1. Total number of patients = 629. Odds ratios and p-values were computed by a multivariable logistic regression model. Results on the whole sample are described in Supplementary Table 2