Predicting Intensive Care Unit Admission for COVID-19 Patients from Laboratory Results

Table 2

The number and percentage of patients (admitted to the ICU or isolation ward) with normal or abnormal (low/high) laboratory test results.

Test		ICU		Ward		value	-comparison
Sodium	Low	26	70.3%	148	60.9%
	Normal	10	27.0%	95	39.1%	0.053
	High	1	2.7%	0	0.0%
Potassium	Low	6	16.2%	13	5.3%
	Normal	29	78.4%	213	87.7%	0.068
	High	2	5.4%	17	7.0%
Lactate dehydrogenase	Low	0	0.0%	1	0.4%
	Normal	1	2.7%	11	4.5%	0.9
	High	36	97.3%	231	95.1%
Blood urea nitrogen	Low	10	27.0%	55	22.6%
	Normal	20	54.1%	174	71.6%	0.01	0.036
	High	7	18.9%	14	5.8%		0.012
Creatinine	Low	0	0.0%	4	1.6%
	Normal	19	51.4%	231	95.1%	<0.01	<0.01
	High	18	48.6%	8	3.3%		<0.01
Aspartate aminotransferase	Low	0	0.0%	5	2.1%
	Normal	11	29.7%	70	28.8%	0.5
	High	26	70.3%	168	69.1%
Alanine transaminase	Low	3	8.1%	22	9.1%
	Normal	28	75.7%	197	81.1%	0.48
	High	6	16.2%	24	9.9%
Activated partial thromboplastin time	Low	7	18.9%	36	14.8%
	Normal	26	70.3%	182	74.9%	0.73
	High	4	10.8%	25	10.3%
Prothrombin time	Low	8	21.6%	27	11.1%
	Normal	23	62.2%	202	83.1%	0.01	0.006
	High	6	16.2%	14	5.8%
International normalized ratio	Low	1	2.7%	2	0.8%
	Normal	25	67.6%	138	56.8%	0.16
	High	11	29.7%	103	42.4%
D-dimer	Low	0	0.0%	14	5.8%
	Normal	9	24.3%	64	26.3%	0.38
	High	28	75.7%	165	67.9%
Troponin	Low	4	10.8%	55	22.6%
	Normal	30	81.1%	187	77.0%	<0.01
	High	3	8.1%	1	0.4%		0.008
Creatine kinase	Low	1	2.7%	10	4.1%
	Normal	8	21.6%	211	86.8%	<0.01	<0.01
	High	28	75.7%	22	9.1%		<0.01
White blood cell count	Low	0	0.0%	23	9.5%
	Normal	22	59.5%	192	79.0%	<0.01	0.013
	High	15	40.5%	28	11.5%		<0.01
Neutrophil count	Low	1	2.7%	36	14.8%		0.039
	Normal	21	56.8%	179	73.7%	<0.01
	High	15	40.5%	28	11.5%		<0.01
Lymphocyte count	Low	32	86.5%	135	55.6%		<0.01
	Normal	5	13.5%	103	42.4%	<0.01	<0.01
	High	0	0.0%	5	2.1%
Monocyte count	Low	1	2.7%	27	11.1%
	Normal	32	86.5%	194	79.8%	0.25
	High	4	10.8%	22	9.1%
Eosinophil count	Low	30	81.1%	141	58.0%		0.007
	Normal	7	18.9%	98	40.3%	0.03	0.017
	High	0	0.0%	4	1.6%
Basophil count	Low	19	51.4%	164	67.5%
	Normal	17	45.9%	66	27.2%	0.07
	High	1	2.7%	13	5.3%
Hemoglobin	Low	7	18.9%	56	23.0%
	Normal	27	73.0%	154	63.4%	0.56
	High	3	8.1%	33	13.6%
Platelet count	Low	10	27.0%	50	20.6%
	Normal	25	67.6%	179	73.7%	0.62
	High	2	5.4%	14	5.8%

, . Italic indicates significant difference compared with those admitted to the ICU. Normal ranges are in Supplement 1.