Table 4 Characteristics of CLL patients who died of COVID-19 (n = 56).

From: COVID-19 severity and mortality in patients with chronic lymphocytic leukemia: a joint study by ERIC, the European Research Initiative on CLL, and CLL Campus

Characteristic

Result

Median age, years (range, years)

75.5 (51–91)

Male/female

38/18

Diagnosis

 CLL (%)

54 (96.4)

 SLL (%)

1 (1.8)

 MBL (%)

1 (1.8)

Patients with comorbidities at the time of COVID-19 (%)

46 (82.1)

Median number of comorbidities (range)

2 (1–9)

Type of comorbidities

 Hypertension (%)

26 (46.4)

 Diabetes mellitus (%)

10 (17.9)

 COPD (%)

4 (7.1)

 Cardiovascular (%)

10 (17.9)

 Respiratory (%)

6 (10.7)

 Other malignancies (%)

4 (7.1)

CLL treatment history

 Previously untreated (%)

18 (32)

 Received treatment (%)

38 (68)

  1 line of treatment

21

  2 lines of treatment

8

  3 lines of treatment

5

  4 lines of treatment

3

  >4 lines of treatment

1

On treatment at the time of COVID-19 (%)

19 (34)

 BTK inhibitor (acalabrutinib, ibrutinib)

12

 Venetoclax-based regimens

1

 Idelalisib

1

 Chemoimmunotherapy

3

 Corticosteroids

1

 Other (chemotherapy ± steroids)

1

Hypogammaglobulinemia

 Present (%)

32 (64)

 Absent (%)

18 (36)

 Missing information

6

Pharmacological treatment for COVID-19

 Antivirals (%)

30 (54)

 Hydroxychloroquine or similar (%)

38 (68)

 Azithromycin (%)

18 (32)

 Monoclonal antibodies against IL6/IL6R (%)

9 (16)

Management

 Confinement at home

1 (1.8)

 Hospitalization without need of oxygen

0

 Hospitalization with need of oxygen

39 (69.6)

 Intensive care

16 (28.6)

  1. CLL chronic lymphocytic leukemia, SLL small lymphocytic lymphoma, MBL monoclonal B-cell lymphocytosis, COPD chronic obstructive pulmonary disease, BTK Bruton tyrosine kinase.