Table 1 Patients’ characteristics at baseline and after lenalidomide treatment.

From: Myelodysplastic syndromes with del(5q): A real-life study of determinants of long-term outcomes and response to lenalidomide

Characteristics

N = 99

Baseline variables

Gender, n (%)

Male

22 (22%)

Female

77 (78%)

Age*

73 (47–89)

Hemoglobin (gr/dl)*

8.50 (6.50–12.30)

Absolute neutrophil counts (109/L)*

2.00 (0.20–7.80)

Platelets (x109/L)*

305 (28–1,411)

Bone marrow blasts (%)*

2.00 (0–19)

Erythroid Dysplasia, n (%)

91 (97%)

Megakaryocytic Dysplasia, n (%)

75 (80%)

5q isolated, n (%)

87 (91%)

IPSS-R score^, n (%)

Very Low

2 (2.4%)

Low

47 (57%)

Intermediate

30 (37%)

High

3 (3.6%)

WHO 2016 diagnosis&, n (%)

MDS with isolated del(5q)

89 (89.9%)

MDS-EB-1

8 (8.1%)

MDS-EB-2

2 (2.0%)

Erythropoietin (mU/mL)*

186 (10–941)

Mean corpuscular volume (fL)*

107 (75–226)

Lactate dehydrogenase (U/L)*

275 (139–673)

Creatinine (mg/dL)*

0.90 (0.40–2.20)

Red Blood Cells Transfusion burden, n (%)

<4 units/8 weeks

49 (50%)

≥4 units/8 weeks

49 (50%)

Post-treatment variables

Cytogenetic Response, n (%)

No response

16 (21%)

Partial

19 (26%)

Complete

39 (53%)

Erythroid Response, n (%)

84 (85%)

Transfusion independence, n (%)

77 (80%)

Neutropenia (<1 × 109/L) during first 2 cycles, n (%)

47 (51%)

Thrombocytopenia (<100 × 109/L) during first 2 cycles, n (%)

30 (33%)

Total N. cycles of Lenalidomide*

21 (2–131)

Secondary solid tumor, n (%)

6 (6.1%)

  1. *median (range); ^according to Greenberg et al., Blood 2012; &according to Arber et al., Blood 2016.