Skip to main content

Table 1 Baseline characteristics of enrolled patients

From: High WT1 expression is an early predictor for relapse in patients with acute promyelocytic leukemia in first remission with negative PML-RARa after anthracycline-based chemotherapy: a single-center cohort study

Total n = 117

Number or median value

Age, median (range)

44 (19–70)

Gender, male

70 (59.8%)

Laboratory findings at diagnosis

 Leukocyte count (×109/L)

2.68 (0.4–112.0)

  Leukocytes count at peak (×109/L)

16.6 (0.4–112.0)

 Hemoglobin (g/dL)

8.9 (4.0–15.0)

 Platelet (×109/L)

33.0 (5.0–163.0)

 Lactate dehydrogenase (LDH, U/L)

692 (250–4070)

 Prothrombin time (PT, %)

63.0 (35.0–101.0%)

 Partial thromboplastin time (aPTT, s)

28.0 (20–45)

 Fibrinogen (mg/dL)

134.0 (31.0–500.0)

 Antithrombin III (%)

94.0 (49.0–150.0)

 D-dimer (mg/L)

17.0 (1.0–36.0)

Sanz criteria

 High

64 (54.7%)

 Intermediate

19 (16.2%)

 Low

34 (29.1%)

Karyotype

 Normal karyotype

5 (4.3%)

 t(15;17) alone

79 (67.5%)

 t(15;17) with 1 additional karyotype

20 (17.1%)

 t(15;17) with ≥2 additional karyotype

13 (11.1%)

PML-RARa subtype

 BCR1

85 (72.6%)

 BCR3

32 (27.4%)

FLT3 mutation

 No FLT3 mutation

86 (73.5%)

FLT3-ITD

25 (21.4%)

FLT3-TKD

6 (5.1%)

WT1 (copies/104 ABL), median (range)

 At diagnosis (n = 117)

18330 (20.0–236160.0)

 Post-induction (n = 117)

63.9 (4.9–2360.0)

 Post 1st consolidation (n = 117)

66.2 (1.1–2320.0)

 Post 2nd consolidation (n = 117)

80.1 (1.3–2110.0)

 Post 3rd consolidation (n = 117)

71.9 (10.8–808.0)

aPost-maintenance 3 months (n = 117)

70.0 (6.0–5520.0)

aPost-maintenance 1 year (n = 87)

57.5 (10.0–1630.0)

aPost-maintenance 2 year (n = 62)

54.4 (10.0–500.0)

 At relapse (n = 16)

239.5 (77.1–34910.0)

Leukapheresis at initial treatment

20 (17.1%)

Differentiation syndrome

21 (17.9%)

Hematological complete response

 After induction

115 (98.3%)

 After 2nd induction

2 (1.7%)

Complete molecular response (CMR)

 After induction

68 (58.1%)

 After 2nd induction

2 (1.7%)

 After 1st consolidation

42 (35.9%)

 After 2nd consolidation

5 (4.3%)

  1. Abbreviation: BCR breakpoint cluster region, FLT3 Fms-related tyrosine kinase 3, ITD internal tandem duplication, TKD tyrosine kinase domain, ABL Abelson murine leukemia viral oncogene, WT1, Wilms tumor 1, ATRA all-trans retinoic acid, AML acute myeloid leukemia
  2. aPost-maintenance indicates the time from starting maintenance therapy