Case Report
Prolonged Disease Course of COVID-19 in a Patient with CTLA-4 Haploinsufficiency
Table 3
Lymphocyte subset analysis performed when the patient was 34 years old and had recovered from COVID-19.
| | Patient’s result | Normal range |
| T cells (/μL) | 251 | 700–1900 | CD4+ (/μL) | 117 | 560–1067 | CD8+ (/μL) | 144 | 216–499 | CD4/CD8-ratio | 0.8 | 1.4–4.0 | Activated T cells (% within CD4) | 1.0 | 0.3–1.0 | Naive T cells (% within CD4) | 15.5 | 49.4–71.9 | Effector T cells (% within CD4) | 84.5 | 27.3–49.8 | Activated T cells (% within CD8) | 0.6 | 0.9–4.2 | Naive T cells (% within CD8) | 13.1 | 48.6–87.5 | Effector T cells (% within CD8) | 86.9 | 11.7–42.9 | B cells (/μL) | 0 | 114–436 | NK cells (/μL) | 36 | 100–400 |
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