Indicator/Symptom | Persistent SARS-CoV-2 Infection Group (n = 110) | Non-persistent SARS-CoV-2 Infection Group (n = 550) | p-value |
---|---|---|---|
Clinical Symptoms | |||
Fever | 60 (54.5%) | 297 (54.0%) | 0.28 |
Average Temperature (°C) | 38.2 ± 0.5 | 38.1 ± 0.4 | 0.18 |
Cough | 66 (60.0%) | 325 (59.1%) | 0.21 |
Dyspnea | 13 (11.8%) | 57 (10.4%) | 0.18 |
Oxygen Therapy Required | 7 (6.4%) | 36 (6.5%) | 0.43 |
Fatigue | 34 (30.9%) | 161 (29.3%) | 0.34 |
Loss of Smell/Taste | 2 (1.8%) | 11 (2.0%) | 0.09 |
Disease Course | |||
Average Disease Duration (d) | 28.0 ± 12.1 | 10.0 ± 4.1 | < 0.001 |
Median Disease Duration (d) | 32 | 5 | |
Range of Disease Duration (d) | 15–90 | 3–14 | |
Complications | |||
Myocarditis (n, %) | 4 (3.6%) | 19 (3.5%) | 0.28 |
Thromboembolism (n, %) | 2 (1.8%) | 10 (1.8%) | 0.13 |
Acute Kidney Injury (n, %) | 2 (1.8%) | 9 (1.6%) | 0.37 |
Blood Parameters | |||
White Blood Cell Count (×109/L) | 6.2 ± 1.8 | 5.9 ± 1.6 | 0.06 |
D-Dimer (µg/mL) | 0.9 ± 0.4 | 0.8 ± 0.4 | 0.08 |
Infection Characteristics | |||
Duration of Persistent Infection (d) | 30.2 ± 15.1 | 5.1 ± 4.1 | < 0.01 |
Viral Load (Mean Ct Value) | 34.3 ± 3.5 | 35.0 ± 3.2 | 0.41 |
Duration of Symptoms (d) | 11.1 ± 7.1 | 10.2 ± 6.1 | 0.32 |
Recurrence | 15 (13.6%) | 69 (12.5%) | 0.67 |
Immune Response Indicators | |||
CD4 + T Cell Count (cells/µL) | 420.8 ± 200.7 | 800.4 ± 150.9 | < 0.001 |
IgG Level (g/L) | 11.7 ± 2.1 | 12.5 ± 2.5 | 0.15 |
Imaging Findings | |||
Lung Lesions (n, %) | 95 (86.4%) | 160 (29.1%) | < 0.001 |
Bilateral Lung Lesions (n, %) | 86 (78.2%) | 146 (26.5%) | < 0.001 |
Unilateral Lung Lesion (n, %) | 9 (8.2%) | 14 (2.5%) | < 0.01 |