LDH (U/L)

Mean ± SD

354

±107.94

285

±36.25

368.91

±112.68

0.051•

Median (Range)

340

(190 - 540)

295

(200 - 320)

400

(190 - 540)

≤350 U/L

23

(51.1%)

8

(34.8%)

15

(65.2%)

0.004

>350 U/L

22

(48.9%)

0

(0%)

22

(100%)

B2-microglobulin (mg/L)

Mean ± SD

2.91

±0.99

2.03

±0.44

3.10

±0.98

0.006•

Median (Range)

3

(1.40 - 5)

2

(1.40 - 3)

3

(1.70 - 5)

<3.5 mg/L

29

(64.4%)

8

(27.6%)

21

(72.4%)

0.037

≥3.5 mg/L

16

(35.6%)

0

(0%)

16

(100%)

Coomb’s test

Negative

38

(84.4%)

8

(21.1%)

30

(78.9%)

0.321

Positive

7

(15.6%)

0

(0%)

7

(100%)

Lymphocytic doubling time

<12 months

21

(46.7%)

7

(33.3%)

14

(66.7%)

0.017

>12 months

24

(53.3%)

1

(4.2%)

23

(95.8%)

Cytogenetic analysis

Normal

20

(44.4%)

4

(20%)

16

(80%)

0.210

del 13

4

(8.9%)

2

(50%)

2

(50%)

del 11

5

(11.1%)

0

(0%)

5

(100%)

Trisomy 12

6

(13.3%)

2

(33.3%)

4

(66.7%)

del 17

5

(11.1%)

0

(0%)

5

(100%)

Complex

5

(11.1%)

0

(0%)

5

(100%)

CD38 (%)

Mean ± SD

23.79

±25.41

3.53

±2.38

28.17

±26.03

0.013•

Median (Range)

8

(0.30 - 91.59)

4.41

(0.30 - 5.95)

27.61

(0.60 - 91.59)

<30%

28

(62.2%)

8

(28.6%)

20

(71.4%)

0.017

>30%

17

(37.8%)

0

(0%)

17

(100%)

MCL-1 (%)

Mean ± SD

60.60

±41.98

36.64

±36.07

65.78

±41.79

0.102•

Median (Range)

91.30

(0.60 - 99.70)

31.48

(1.10 - 99.70)

97.47

(0.60 - 99.40)

<25%

18

(40%)

4

(22.2%)

14

(77.8%)

0.694

>25%

27

(60%)

4

(14.8%)

23

(85.2%)

ZAP-70

<20%

27

(60%)

2

(7.4%)

25

(92.6%)

0.045

>20%

18

(40%)

6

(33.3%)

12

(66.7%)

BCL-2/Bax ratio

Mean ± SD

2.01

±1.50

0.80

±0.26

2.27

±1.53

0.006•

Median (Range)

1.20

(0.30 - 5)

0.85

(0.30 - 1.10)

2

(0.30 - 5)

≤1.6

26

(57.8%)

8

(30.8%)

18

(69.2%)

0.014

>1.6

19

(42.2%)

0

(0%)

19

(100%)