Clinicopathological parameters

MYD88 L265P gene mutation

P value

Wild type (N = 32)

Mutant type (N = 8)

Ann Arbor staging

0.042

I-II

12

1

III-IV

20

7

B symptoms

1.000

yes

11

3

no

21

5

ECOG PS score

0.202

<2

23

5

≥2

9

3

IPI score

0.039

Low risk

5

0

Medium-low risk

13

0

Medium-high risk

11

4

Extremely high risk

3

4

NCCN-IPI score

0.041

Low risk

6

0

Medium-low

13

2

Medium-high

10

4

Extremely high risk

3

2