Table 2.
Characteristic | SIRPαhigh (n = 57) | SIRPαlow (n = 58) | P value | ||
---|---|---|---|---|---|
No. | % | No. | % | ||
Sex (male/female) | 33/24 | 58/42 | 33/25 | 57/43 | 0.91 |
Age (y) | |||||
Median | 72 | 70.5 | |||
Range | 29‐87 | 23‐85 | |||
>60 | 39/52 | 75 | 45/56 | 80 | 0.50 |
ECOG PS > 1 | 15/50 | 30 | 11/53 | 21 | 0.28 |
Extranodal sites > 1 | 5/51 | 10 | 6/56 | 11 | 1.00 |
Ann Arbor stage > 2 | 28/46 | 61 | 28/55 | 51 | 0.32 |
IPI risk group | 0.38 | ||||
Low (0‐2) | 23/50 | 46 | 29/53 | 55 | |
High (3‐5) | 27/50 | 54 | 24/53 | 45 | |
Hans criteria | 0.91 | ||||
GCB | 25/53 | 47 | 27/56 | 48 | |
Non‐GCB | 28/53 | 53 | 29/56 | 52 | |
Lymph2Cx | 0.26 | ||||
GCB | 19/57 | 33 | 28/58 | 48 | |
ABC | 25/57 | 44 | 20/58 | 34 | |
Unclassified | 13/57 | 23 | 10/58 | 17 | |
MYC translocation, positive | 5/57 | 9 | 6/57 | 11 | 1.00* |
MYC protein, positive | 26/57 | 46 | 29/58 | 50 | 0.64 |
DEL | 13/57 | 23 | 14/58 | 24 | 0.87 |
EBER‐ISH, positive | 2/57 | 4 | 2/58 | 3 | 1.00* |
Treatment | 0.26* | ||||
R‐CHOP/R‐CHOP‐like | 51/57 | 89 | 56/58 | 97 | |
Other chemotherapies | 4/57 | 7 | 2/58 | 3 | |
RT alone | 2/57 | 4 | 0/58 | 0 | |
Treatment response | 0.66 | ||||
CR/CRu | 41/56 | 73 | 43/56 | 77 | |
Not CR | 15/56 | 27 | 13/56 | 23 |
Abbreviations: ABC, activated B‐cell; CR, complete response; CRu, uncertain complete response; DEL, double expressor lymphoma; EBER‐ISH, in situ hybridization for Epstein‐Barr virus‐encoded RNA; GCB, germinal center B‐cell; IPI, international prognostic index; PS, performance status; R‐CHOP, rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone; RT, radiotherapy.
Fisher’s exact test.