Table 2 Baseline characteristics of SARS-CoV-2-positive participants and the association between MGUS and severity of COVID-19.

From: Monoclonal gammopathy of undetermined significance and COVID-19: a population-based cohort study

 

No MGUS

MGUS

HC-MGUS

LC-MGUS

n

1004

56

35

21

Mean age (SD)

59 (10)

65 (11)

65 (12)

65 (10)

Men

448 (45%)

30 (54%)

22 (63%)

8 (38%)

Person-days

16,589

962

Emergency outpatient visit

176 (18%)

12 (20%)

7 (20%)

5 (24%)

Hospital admission

105 (11%)

11 (20%)

8 (23%)

3 (14%)

Intensive care unit admission

20 (2%)

3 (5%)

2 (6%)

1 (5%)

Death

5 (1%)

0 (0%)

0 (0%)

0 (0%)

Emergency outpatient visit or worse

214 (21%)

16 (29%)

10 (29%)

6 (29%)

OR (95% CI)a

Ref

0.99 (0.52–1.91)

0.90 (0.39–2.08)

1.10 (0.39–3.10)

Hospital admission or worse

106 (11%)

11 (20%)

8 (23%)

3 (14%)

OR (95% CI)a

Ref

1.13 (0.52–2.46)

1.25 (0.49–3.19)

0.83 (0.21–3.29)

  1. MGUS monoclonal gammopathy of undetermined significance, HC-MGUS heavy chain MGUS, LC-MGUS light chain MGUS, SD standard deviation, COVID-19 Coronavirus disease 2019, OR odds ratio, CI confidence interval, Ref reference.
  2. a Adjusted for age and sex.