Table 2.

Fondazione IRCCS San Matteo Hospital patients’ clinical information.

	Negative (172 patients)		Positive (278 patients)		Total (450 patients)
	Median	25 - 75 P	Median	25 - 75 P	Median	25 - 75 P
Age (years)	54	37.0–67.5	63	51.0–75.0	60	47.0–73.0
Systolic blood pressure (mmHg)	135	125.0–150.0	130	115.5–144.0	130	120.0–145.0
Diastolic blood pressure (mmHg)	80	70.0–90.0	80	70.0–85.8	80	70.0–90.0
Respiratory rate	20	16.0–22.0	20	16.0–26.0	20	16.0–24.0
Oxygen saturation (%)	97	94.0–98.0	94	90.0–97.0	95	91.0–98.0
Body temperature (°C)	36.7	36.2–37.6	37.1	36.5–38.0	37	36.3–37.9
Hemoglobin (g/dL)	13.5	12.2–14.9	13.9	12.8–14.9	13.7	12.6–14.9
White blood cell (10∧9/L)	8.2	6.3–11.5	6.3	4.8–8.1	6.92	5.1–9.2
Lymphocytes (10∧9/L)	1.555	0.9–2.2	0.8	0.6–1.1	1	0.7–1.6
Platelets (10∧9/L)	224.5	179.5–272.5	184	146.0–239.0	204	157.0–256.7
C-reactive protein (mg/dL)	1.325	0.1–10.5	7.97	2.6–15.2	5.29	0.9–14.4
Lactate dehydrogenase (U/L)	222	182.0–290.0	326	243.5–428.0	286	211.2–399.7
Creatine phosphokinase (U/L)	86	51.0–143.0	113	68.0–293.5	99	62.0–217.7
PH	7.4	7.4–7.4	7.4	7.4–7.4	7.44	7.4–7.4
PaO2/FiO2	392.1	317.5–462.9	299.5	226.4–352.7	323.8	256.0–405.8
Alveolar-arterial gradient of O2 (mmHg)	22.4	9.5–42.5	47.3	33.6–93.1	40.4	20.8–60.8
LUS Score	2	0.0–7.5	11	6.0–16.0	7	2.0–13.0