Table 1 Patient characteristics and outcomes in the entire AMLM7 and AMLM12 cohorts

From: Dissecting causes for improved survival among patients with acute myeloid leukemia in two different eras receiving identical regimens in sequential randomized studies

 

AMLM7 (n = 256)

AMLM12 (n = 422)

p-valuea

Age, median years (IQR)

43.4 (31.6–51.6)

48.1 (38.4–55.2)

<0.001

Male gender (%)

55.1

57.1

0.6

ECOG PS > 0 (%)

50.0

54.9

0.2

Cytogenetics, n (%)

  

0.2

Intermediate

201 (78.5)

338 (80.1)

 

Adverse

39 (15.2)

70 (16.6)

 

Unknown

16 (6.3)

14 (3.3)

 

WCC (x 10 9 /L), median (IQR)

10.6 (3.3–43.5)

10.0 (2.9–33.7)

0.3

>40 × 109/L (%)

26.2

21.6

0.2

>100 × 109/L (%)

10.5

6.6

0.082

Febrile (%)

30.1

29.1

0.8

Bleeding (%)

22.3

12.8

0.002

DIC (%)

4.7

3.1

0.3

G-CSF (%)

80.1

96.7

<.001

>1 induction cycle, n (%)

19 (7.4)

41 (9.7)

0.3

CR—after 1 cycle (%)

75.4

76.3

0.8

CR—total (%)

79.7

82.5

0.4

Randomized to standard IcE, n (%)

87 (34.0)

146 (34.6)

0.9

Received 2 cycles of standard IcE

81 (93.1)

125 (85.6)

0.7

Early mortality, n (%)

30-day mortality

30 (11.7)

18 (4.3)

<0.001

60-day mortality

36 (14.1)

30 (7.1)

0.005

90-day mortality

40 (15.6)

34 (8.1)

0.003

Allogeneic SCT, n (%)

76 (29.7)

215 (51.3)

<0.001

Transplant in first CR

32 (12.5)

120 (28.4)

<0.001

Transplant other status

44 (17.2)

95 (22.5)

0.12

Autologous SCT, n (%)

25 (9.8)

7 (1.7)

<0.001

  1. aFisher’s exact test for categorical variables; Mann-Whitney U tests for continuous variables
  2. CR complete remission, DIC disseminated intravascular coagulation, ECOG PS Eastern Cooperative Oncology Group performance status, G-CSF granulocyte colony stimulating factor, IQR interquartile range, SCT stem cell transplantation, WCC white cell counts