C-Reactive Protein as a Prognostic Indicator in COVID-19 Patients

Table 2

Laboratory findings of severe and nonsevere COVID-19 patients.

	Normal range	Severe (n = 175)	Nonsevere (n = 254)	value
White blood cell count, median (range) (×103/μL)	4,500–11,000	9,100 (1,700–42,300)	6,500 (2,100–157,000)	<0.001
Lymphocytes, %, median (range)	26–46	12 (2–36)	22.7 (3–75)	<0.001
Hemoglobin, median (range) (g/dL)	13.5–18	11.95 (6–21)	12.5 (5.3–22.3)	0.032
Erythrocyte sedimentation rate, median (range) (mm/h)	0–15	57.5 (3–128)	40 (2–140)	0.005
C-reactive protein, median (range) (mg/L)	0–10	97 (1–440)	50 (4–392)	<0.001
Platelet count, median (range) (count/µL)	140,000–450,000	197,000 (42,000–568,000)	197,000 (8,000–108,1000)	0.839
Blood urea nitrogen, median (range) (mg/dL)	10–20	19 (5–158.2)	15 (4–150)	<0.001
Creatinine, median (range) (mg/dL)	0.7–1.4	1 (0.5–7.4)	1 (0.5–7.3)	0.360
Lactate dehydrogenase, median (range) (U/L)	140–280	783.5 (146–2,436)	459 (30–2,500)	<0.001
Sodium, median (range) (mEq/L)	135–145	135 (117–146)	136 (120–152)	0.144
Potassium, median (range) (mEq/L)	3.7–5.2	4.1 (3–8.2)	4.1 (2.9–5.5)	0.961