Table 2 Clinical characteristics of post-COVID-19 syndrome

Symptoms—n (%)

 Fatigue

 Muscle pain

 Dyspnea

 Inappropriate sinus tachycardia

 Low-grade fever

Functional status

 Grade 0

 Grade I—n (%)

 Grade II—n (%)

 Grade III—n (%)

 Grade IV—n (%)

Median number of days until evaluation days (IQR)

Median number of days to extra-respiratory positive RT- PCR (IQR)

SARS-CoV-2 IgG tests—n (%)

Hemoglobin (g/dL)—median (IQR)

Lymphocyte count (× 10E3/µl)—median (IQR)

Platelet count (× 10E3/µL)—median (IQR)

Serum creatinine (mg/dL)—median (IQR)

Alanin aminotransferase (U/L)—median (IQR)

  > 40 U/L—n (%)

  ≤ 40 U/L—n (%)

Ferritin (µg/L)—median (IQR)

  > 205 (µg/L)—n (%)

  ≤ 205 (µg/L)—n (%)

Positive SARS-CoV-2 RT-PCR

 Plasma—n (%)

 Stool—n (%)

 Urine—n (%)

 At least one positive result—n (%)

 Two positive results—n (%)

 Three positive results—n (%)