<100 × 103/mm3

17

(43.6%)

13

(76.5%)

4

(23.5%)

0.002§

≥100 × 103/mm3

22

(56.4%)

6

(27.3%)

16

(72.7%)

Hemoglobin (g/dl)

Mean ± SD

10.79

±2.25

9.59

±2.01

11.93

±1.87

0.002•

Median (Range)

10.20

(6.60 - 14.30)

9.10

(6.60 - 14)

12.95

(7.70 - 14.30)

<11 g/dl

22

(56.4%)

16

(72.7%)

6

(27.3%)

0.001§

≥11 g/dl

17

(43.6%)

3

(17.6%)

14

(82.4%)

LDH (U/L)

Mean ± SD

363.84

±108.13

419.47

±96.29

311

±96.56

0.002•

Median (Range)

380

(190 - 540)

430

(210 - 540)

300

(190 - 500)

≤350 U/L

18

(46.2%)

4

(22.2%)

14

(77.8%)

0.002§

>350 U/L

21

(53.8%)

15

(71.4%)

6

(28.6%)

B2-microglobulin (mg/L)

Mean ± SD

3.01

±0.97

3.25

±0.95

2.78

±0.96

0.130•

Median (Range)

3

(1.80 - 5)

3.30

(2 - 5)

2.05

(1.80 - 4.40)

<3.5 mg/L

24

(61.5%)

11

(45.8%)

13

(54.2%)

0.648§

≥3.5 mg/L

15

(38.5%)

8

(53.3%)

7

(46.7%)

Coomb’s test

Negative

32

(82.1%)

13

(40.6%)

19

(59.4%)

0.044•

Positive

7

(17.9%)

6

(85.7%)

1

(14.3%)

Lymphocytic doubling time

<12 months

18

(46.2%)

3

(16.7%)

15

(83.3%)

<0.001§

>12 months

21

(53.8%)

16

(76.2%)

5

(23.8%)

Cytogenetic analysis

Normal

17

(43.6%)

5

(29.4%)

12

(70.6%)

0.002§

del 13

3

(7.7%)

1

(33.3%)

2

(66.7%)

del 11

4

(10.3%)

3

(75%)

1

(25%)

Trisomy 12

5

(12.8%)

0

(0%)

5

(100%)

del 17

5

(12.8%)

5

(100%)

0

(0%)

Complex

5

(12.8%)

5

(100%)

0

(0%)

CD38 (%)

Mean ± SD

25.94

±26.21

41.69

±27.74

10.98

±12.70

<0.001•

Median (Range)

22

(0.30 - 91.59)

38

(0.72 - 91.59)

4.59

(0.30 - 42)

<30%

23

(59%)

4

(17.4%)

19

(82.6%)

<0.001§

>30%

16

(41%)

15

(93.8%)

1

(6.3%)

ZAP-70

<20%

24

(61.5%)

16

(66.7%)

8

(33.3%)

0.005§

>20%

15

(38.5%)

3

(20%)

12

(80%)