Table 3.

Bivariable analyses for adjusting mortality in the 55 COVID-19 patients with ≤ 26/µl circulating IgM memory B cells.

Variables	HR	95% CI	p-value
Age > 58 years	4.04	0.31–0.85	0.182
Sex (male)	0.91	0.36–2.30	0.838
Pitted red cells > 4%	1.39	0.44–4.34	0.575
Associated chronic disorders ≥ 3	2.59	0.92–7.28	0.071
Lymphocytes < 1500/µl	1.53	0.18–13.26	0.699

CI confidence interval, HR hazard ratio.