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. 2021 Sep 15;148(6):1481–1492.e2. doi: 10.1016/j.jaci.2021.09.008

Table I.

Laboratory results, signs, and symptoms of convalescent patients with COVID-19

Laboratory results, signs, and symptoms Value (n = 78)
Average days from onset of illness 381.00 (374.80-389.00)
Blood routine
Leucocytes (×10⁹/L; normal range, 3.5-9.5) 6.3 (1.6)
 Increased 2 (2.6%)
 Decreased 2 (2.6%)
Neutrophils (×10⁹/L; normal range, 1.8-6.3) 3.6 (1.2)
 Increased 2 (2.6%)
 Decreased 1 (1.3%)
Lymphocytes (×10⁹/L; normal range, 1.1-3.2) 2.1 (0.6)
 Increased 2 (2.6%)
 Decreased 1 (1.3%)
Platelets (×10⁹/L; normal range, 125.0-350.0) 219.8 (52.5)
 Increased 1 (1.3%)
 Decreased 3 (3.8%)
Hemoglobin (g/L; normal range, male: 130.0-175.0; female: 115.0-150.0) 140.8 (12.2)
 Increased 0
 Decreased 0
Liver function
Total protein (g/L; normal range, 64.0-83.0) 75.2 (4.4)
 Decreased 0
Globulin (g/L; normal range, 20.0-35.0) 30.4 (4.1)
 Decreased 0
Albumin (g/L; normal range, 35.0-52.0) 44.8 (1.8)
 Decreased 0
Alanine aminotransferase (U/L; normal range, ≤41.0) 22.7 (16.2)
 Increased 3 (3.8%)
Aspartate aminotransferase (U/L; normal range, ≤41.0) 22.8 (8.6)
 Increased 2 (2.6%)
Renal function
Blood urea nitrogen (mmol/L; normal range, 3.6-9.5) 6.2 (1.4)
 Increased 1 (1.3%)
 Decreased 0
Serum creatinine (μmol/L; normal range, male: 59-104; female: 45-84) 77.3 (19.1)
 Increased 10 (12.8%)
Myocardial function
cTnI (U/L; normal range, male: ≤34.2; female: ≤15.6) 40.2 (23.4)
 Increased 2 (2.6%)
Lactate dehydrogenase (U/L; normal range, 135.0-225.0) 215.2 (32.5)
 Increased 33 (42.3)
Infection-related biomarker
IL-6 (pg/mL; normal range, 0.0-7.0) 3.6 (2.5)
 Increased 4 (5.1%)
Signs and symptoms at detection
Shortness of breath 28 (35.9%)
Memory decay 28 (35.9%)
Fatigue 14 (17.9%)
Cough 8 (10.3%)
Laryngeal discomfort 8 (10.3%)
Diarrhea 6 (7.7%)
Hypoacusis 6 (1.7%)
Inattention 6 (7.7%)
Expectoration 4 (5.1%)
Muscle ache 4 (5.1%)
Chest pain 4 (5.1%)
Dizziness 2 (2.6%)
Hypogeusia 2 (2.6%)

Data are presented as median (25th-75th), mean ± SD, or numbers (%). Increased means over the upper limit of the normal range and decreased means below the lower limit of the normal range.