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Table 1 Long-COVID outpatient demographics and clinical data

From: Organ and cell-specific biomarkers of Long-COVID identified with targeted proteomics and machine learning

Initial infection variable

Outpatients (n = 22)

Age (yrs), median (IQR)

61.0 (20.5)

Male sex, no. (%)

12 (54.5)

Diagnostic test: PCR, serology, no. (%)

22 (100.0)

Vaccination status at infection, no. (%)

2 (9.1)

Hospitalization, no. (%)

 

 Ward

7 (30.4)

 ICU

1 (4.3)

Comorbidities, no. (%)

 

 Diabetes

6 (27.3)

 Hypertension

8 (36.4)

 Coronary artery/heart disease

2 (9.1)

 Chronic/congestive heart failure

0 (0.0)

 Chronic kidney disease

0 (0.0)

 Cancer

1 (4.5)

 COPD

0 (0.0)

 Asthma

4 (18.2)

Presenting symptoms at infection, no. (%)

 

 Fever

16 (72.7)

 Cough

17 (77.3)

 Anosmia/Ageusia

13 (59.1)

 Pharyngitis

8 (36.4)

 Headache

14 (63.6)

 Confusion/Memory

2 (9.1)

 Myalgias

13 (59.1)

 Dyspnea

16 (72.7)

 Chest pain

8 (36.4)

 Nausea/Vomiting/Diarrhea

11 (50.0)

Interventions at infection, no. (%)

 

 Steroids

6 (27.3)

 Remdesivir

0 (0.0)

 Tocilizumab

1 (4.5)

Long-COVID Clinic Variables

 

 Follow up, days from infection onset, median (IQR)

101.5 (45.5)

Lingering symptoms at follow up, no. (%)

 

 Respiratory

16 (72.7)

 Cardiovascular

6 (27.3)

 Neurologic

8 (36.4)

 Musculoskeletal

0 (0.0)

 Gastro-Intestinal

3 (13.6)

 Psychiatric

1 (4.5)

 Cutaneous

0 (0.0)

 Balance

0 (0.0)

 Chest pain

4 (18.2)

 Concentration

0 (0.0)

 Cough

2 (9.1)

 Dyspnea

16 (72.7)

 Fatigue

11 (50.0)

 Headache

2 (9.1)

 Low mood

1 (4.5)

 Anxiety

1 (4.5)

 Memory

6 (27.3)

 Nausea

1 (4.5)

 Palpitations

1 (4.5)

 Paresthesia

1 (4.5)

 Smell/taste

2 (9.1)

 Word finding

1 (4.5)

 Non-specific

11 (50.0)

Laboratories at follow up, median (IQR)

 

 White blood cell count

7.1 (1.9)

 Neutrophils

4.5 (1.5)

 Lymphocytes

2.0 (0.7)

 Hemoglobin

139.5 (24.8)

 Platelets

239.5 (64.2)

 C-Reactive Protein (CRP)

1.8 (3.5)

 Ferritin

76.0 (118.8)

 Lactate Dehydrogenase (LDH)

206.0 (39.0)

 Alanine Aminotransferase (ALT)

20.0 (11.2)

Interventions at follow up, no. (%)

 

 Budesonide

1 (4.5)

 Anticoagulant

1 (4.5)

 Budesonide/Formoterol

10 (45.5)

 Salbutamol

3 (13.6)

 Furosemide

1 (4.5)

 Nasal spray

2 (9.1)

 Oxygen

2 (9.1)

 Physiotherapy

4 (18.2)

 None

8 (36.4)