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Table 1 Baseline characteristics of the study population (N = 562)

From: Impact of frontline treatment approach on outcomes in patients with secondary AML with prior hypomethylating agent exposure

Characteristica

IC

(N = 271)

LIT without Ven

(N = 237)

HMA + Ven

(N = 54)

P value

Age

 Median (years)

65 (21–91)

73 (53–92)

71 (42–84)

 < 0.0001

 ≥ 60 years

191 (70)

226 (95)

50 (93)

 < 0.0001

Preceding diagnosis

 MDS

236 (87)

204 (86)

43 (80)

0.35

 CMML

35 (13)

33 (14)

11 (20)

Prior therapies

 Prior allogeneic HSCT

31 (11)

13 (5)

10 (19)

0.005

 Median number of prior therapies

1 (1–5)

1 (1–5)

1 (1–3)

0.65

Cytogenetics

 Diploid

82 (30)

91 (38)

16 (30)

0.31

 Non-diploid, non-adverse

56 (21)

45 (19)

7 (13)

 Adverse

111 (41)

81 (34)

25 (46)

 IM/ND

22 (8)

20 (9)

6 (11)

Mutation

 ASXL1

36/102 (35)

24/101 (26)

13/54 (24)

0.14

 DNMT3A

15/139 (11)

23/150 (15)

12/54 (22)

0.12

 FLT3 D835

3/247 (1)

7/232 (3)

0

0.38

 FLT3-ITD

12/247 (5)

25/232 (11)

1/54 (2)

0.01

 IDH1

10/166 (6)

10/171 (6)

6/54 (11)

0.37

 IDH2

12/167 (7)

11/170 (6)

4/54 (7)

0.94

 NPM1

11/191 (6)

14/189 (7)

1/54 (2)

0.31

 KRAS/NRAS

37/241 (15)

47/224 (21)

7/54 (13)

0.18

 RUNX1

23/101 (23)

26/101 (26)

16/54 (30)

0.64

 TET2

25/107 (23)

27/104 (26)

12/54 (22)

0.85

 TP53

46/144 (32)

31/152 (20)

18/54 (33)

0.04

  1. aContinuous variables are listed as median [range] and categorical variables as n (%) or n/N (%)
  2. IC intensive chemotherapy, LIT low-intensity therapy, Ven venetoclax, HMA hypomethylating agent, MDS myelodysplastic syndrome, CMML chronic myelomonocytic leukemia, HSCT hematopoietic stem cell transplantation, IM/ND insufficient metaphases/not done