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. 2020 Oct 29;35(1):e23620. doi: 10.1002/jcla.23620

TABLE 4.

The lymphocyte number, lymphocyte percentage, procalcitonin, C‐reactive protein, and CD4/CD8 ratio of patients with COVID‐19

Laboratory parameters All patients (n = 95) Disease severity
Non‐severe patients (n = 65) Severe patients (n = 30) P value
Lymphocytes (×109/L; normal range 1.1‐3.2) 1.05 (0.64‐1.50) 1.24 (0.79‐1.68) 0.77 (0.48‐1.24) <.01
Lymphocyte percentage (%; normal range 20‐50) 20.9 (14.8‐26.6) 23.6 (17.6‐28.9) 15.5 (7.93‐19.1) <.01
Procalcitonin (PCT) (ng/mL; normal range 0‐0.1) 0.02 (0.01‐0.03) 0.02 (0.02‐0.03) 0.03 (0.02‐0.05) <.05
C‐reactive protein (CRP) (mg/L; normal range 0‐3) 14.0 (5.62‐32.1) 8.90 (4.85‐16.7) 33.8 (19.3‐55.0) <.01
CD4/CD8 ratio( normal range 1.4‐2.0) 1.54 (1.08‐2.27) 1.59 (1.28‐2.27) 1.46 (0.74‐2.33) >.05
Eosinophils (×109/L; normal range 0.05‐0.5) 0.01 (0.0‐0.04) 0.02 (0.01‐0.06) 0.01 (0.0‐0.01) <.01
Eosinophil percentage (%; normal range 0.5%‐5%) 0.3 (0.1‐0.8) 0.4 (0.1‐1.0) 0.1 (0.0‐0.33) <.01

P values denoted the comparison between non‐severe and severe subgroups.