Total（n=427）

Older patient（n=156）

Younger patient（n=271）

P value

Sex

Male

217

81

136

0.1923

Female

210

75

135

Age

53.2±8.7

69.3±5.7

41.8±7.4

0.2164

FAB

M0

9

5

4

0.4683

M1

110

32

78

0.3272

M2

151

56

95

0.1231

M4

98

37

61

0.1456

M5

30

16

14

0.2783

M6

18

3

15

0.3492

Undetermined

11

5

6

0.4125

Induction response

CR

232

31

201

<0.001

PR/refractory

58

22

36

0.3472

Induction death

27

15

12

0.1875

Relapse

123

21

102

0.3412