SARS-CoV-2 Antibodies in Hemodialysis Patients Six Months after Infection Compared to Healthcare Workers

Table 2

Comparison of categorial and continuous variables between cluster 1 and cluster 2 characterized by statistical differences in circulating levels of SARS-CoV-2 antibodies.

	Cluster 1 (N = 21)	Cluster 2 (N = 24)	value
Circulating levels of antibodies	122 [23.1/164]	48.5 [33/87.6]	0.029
Age	68 [60/79]	65 [57.8/74.8]	0.45
BNP (pg/mL)	259 [111.5/527]	1013 [406.5/1944.8]	0.004
D-dimers (pg/mL)	1115 [750/1288.5]	1360 [865/2130.5]	0.24
Lymphocytes (/mm^3)	1274 [902/1531]	706 [574.5/842.8]	0.0001
Ferritin (ng/mL)	362 [182/624]	409[274.5/1039.5]	0.75
Troponin (ng/mL)	33,5 [17.3/100.2]	41.2 [23.4/66.5]	0.77
Neutrophil/lymphocyte ratio	3.2 [2.1/4]	13.2 [8.8/35.5]	<0.0001
CRP (mg/L)	15.9 [3.8/49.8]	174 [87.4/198.5]	<0.0001
Gender
Women	8 (38.1%)	10 (41.7%)	1.00
Men	13 (61.9%)	14 (58.3%)
Need oxygen
Yes	4 (19%)	18 (78.3%)	0.0002
No	17 (81%)	5 (21.7%)
Pulmonary lesion extension
Nothing	5 (27.8%)	0 (0%)	0.0002
Mild	6 (33.3%)	1 (4.8%)
Moderate	6 (33.3%)	8 (38.1%)
Serious to critical	1 (5.6%)	12 (57.1%)

Wilcoxon–Mann–Whitney test. Fisher’s exact test.