Table 3.

Laboratory findings of patients with COVID-19 by the severity of illness.

Laboratory findings	Total			Non-severe			Severe			P-value
	N	Median	IQR	N	Median	IQR	N	Median	IQR
White blood cell count (WBC), × 109/L	335	6.2	4.9–8	288	6	4.8–7.7	47	8.4	6–12.3	<0.0001
Platelet count (PLT), × 109/L	332	229.5	182.5–284.5	285	226	180–277	47	244	198–342	0.0466
Hemoglobin (Hgb), g/dl	334	148.5	136–159	287	150	140–161	47	136	126–147	<0.0001
Hematocrit (Hct), L/L	333	0.454	0.421–0.484	286	0.459	0.428–0.487	47	0.428	0.394–0.453	<0.0001
Prothrombin time (PTT), S	235	35.1	32.1–38.1	188	34.9	31.9–37.75	47	37.2	34–43.3	0.0123
International Normalized Ratio (INR)	257	1.01	0.97–1.07	210	1	0.97–1.05	47	1.03	0.99–1.14	0.0044
Creatinine, μmol/L	79	80.8	64.9–89.6	70	81.3	66.8–89.6	9	63.4	62.3–70	0.1306
Sodium (Na), mmol/L	306	138	136–139	263	138	136–139	43	137	134–139	0.0505
Chloride (Cl), mmol/L	319	104	101–106	272	104	102–106	47	103	100–106	0.0525