Table 2

Clinical features, ASCT-relevant variables, and post-ASCT events according to JAK2V617F mutational state

Variable/categoryJAK2-wtJAK2V617FP
No. (%) of patients 44 (32) 95 (68)  
Median age, y (range) (n = 139)* 59 (36-73) 56 (32-72) .2 
Males, no. (%) (n = 139)* 22 (50) 60 (63) .2 
Diagnosis (n = 132)   < .001 
    PMF 29 (69) 53 (59)  
    Post-PV MF 0 (0) 24 (27)  
    Post-ET MF 13 (31) 13 (14)  
Median time, mo (range), from diagnosis to SCT (n = 130)* 47 (3-360) 61 (3-272) .1 
Cytogenetics, no. (%) (n = 82)*   .4 
    Favorable 2 (40) 3 (60)  
    Normal 13 (29) 32 (71)  
    Others 3 (15) 17 (85)  
    Unfavorable 5 (42) 7 (58)  
Lille score, no. (%) (n = 135)*   .4 
    Low 7 (16) 24 (26)  
    Intermediate 27 (61) 48 (53)  
    High 10 (23) 19 (21)  
Transfusion dependency, no. (%) (n = 131)*   .1 
    No transfusions 13 (33) 44 (48)  
    Transfusion-dependent 27 (68) 47 (52)  
IPSS, no. (%) (n = 131)*   .1 
    Low 1 (2) 2 (2)  
    Intermediate-1 8 (20) 14 (16)  
    Intermediate-2 9 (22) 38 (42)  
    High 23 (56) 36 (40)  
CMV status (n = 134)*    
    CMV+ recipients, no. (%) 19 (46) 55 (59)  
Donors, no. (%) (n = 139)*   .7 
    MRD 12 (27) 28 (30)  
    MUD 21 (48) 49 (51)  
    MMUD 11 (25) 18 (19)  
Conditioning, no. (%) (n = 139)*   .5 
    Busulfan/fludarabine-based 41 (93) 88 (93)  
    Treosulfan/fludarabine 1 (2) 5 (5)  
    Others 2 (5) 2 (2)  
Median no. (range) of infused CD34+ infused stem cells/kg BW (n = 132)* 6.4 (0.6-13.9) 7.9 (1-21.6) .4 
Median time, d (range), to engraftment (n = 128)* 15 (10-59) 16 (9-47) .2 
Acute GVHD (n = 99)*   .5 
    Grade II-IV acute GVHD, no. (%) 6 (22) 22 (31)  
Chronic GVHD (n = 97)*   .6 
    Extensive chronic GVHD, no. (%) 8 (30) 17 (24)  
Primary graft failure, no. (%)    
Secondary graft dysfunction, no. (%) 9 (21) 4 (4) .004 
Deaths, no. (%) 22 (50) 24 (25) .006 
Cause of death, no. (%)   .4 
    Relapse 7 (32) 4(17)  
    Toxicity 2 (9) 2 (8)  
    GVHD 3 (14) 8 (33)  
    Sepsis 8 (36) 5 (21)  
    Bleeding 0 (0) 1 (4)  
    Unclear 2 (9) 4 (17)  
Variable/categoryJAK2-wtJAK2V617FP
No. (%) of patients 44 (32) 95 (68)  
Median age, y (range) (n = 139)* 59 (36-73) 56 (32-72) .2 
Males, no. (%) (n = 139)* 22 (50) 60 (63) .2 
Diagnosis (n = 132)   < .001 
    PMF 29 (69) 53 (59)  
    Post-PV MF 0 (0) 24 (27)  
    Post-ET MF 13 (31) 13 (14)  
Median time, mo (range), from diagnosis to SCT (n = 130)* 47 (3-360) 61 (3-272) .1 
Cytogenetics, no. (%) (n = 82)*   .4 
    Favorable 2 (40) 3 (60)  
    Normal 13 (29) 32 (71)  
    Others 3 (15) 17 (85)  
    Unfavorable 5 (42) 7 (58)  
Lille score, no. (%) (n = 135)*   .4 
    Low 7 (16) 24 (26)  
    Intermediate 27 (61) 48 (53)  
    High 10 (23) 19 (21)  
Transfusion dependency, no. (%) (n = 131)*   .1 
    No transfusions 13 (33) 44 (48)  
    Transfusion-dependent 27 (68) 47 (52)  
IPSS, no. (%) (n = 131)*   .1 
    Low 1 (2) 2 (2)  
    Intermediate-1 8 (20) 14 (16)  
    Intermediate-2 9 (22) 38 (42)  
    High 23 (56) 36 (40)  
CMV status (n = 134)*    
    CMV+ recipients, no. (%) 19 (46) 55 (59)  
Donors, no. (%) (n = 139)*   .7 
    MRD 12 (27) 28 (30)  
    MUD 21 (48) 49 (51)  
    MMUD 11 (25) 18 (19)  
Conditioning, no. (%) (n = 139)*   .5 
    Busulfan/fludarabine-based 41 (93) 88 (93)  
    Treosulfan/fludarabine 1 (2) 5 (5)  
    Others 2 (5) 2 (2)  
Median no. (range) of infused CD34+ infused stem cells/kg BW (n = 132)* 6.4 (0.6-13.9) 7.9 (1-21.6) .4 
Median time, d (range), to engraftment (n = 128)* 15 (10-59) 16 (9-47) .2 
Acute GVHD (n = 99)*   .5 
    Grade II-IV acute GVHD, no. (%) 6 (22) 22 (31)  
Chronic GVHD (n = 97)*   .6 
    Extensive chronic GVHD, no. (%) 8 (30) 17 (24)  
Primary graft failure, no. (%)    
Secondary graft dysfunction, no. (%) 9 (21) 4 (4) .004 
Deaths, no. (%) 22 (50) 24 (25) .006 
Cause of death, no. (%)   .4 
    Relapse 7 (32) 4(17)  
    Toxicity 2 (9) 2 (8)  
    GVHD 3 (14) 8 (33)  
    Sepsis 8 (36) 5 (21)  
    Bleeding 0 (0) 1 (4)  
    Unclear 2 (9) 4 (17)  

CMV indicates cytomegalovirus; MRD, matched related donor; MUD, matched unrelated donor; MMUD, mismatched unrelated donor; BW, body weight; and GVHD, graft-versus-host disease.

*

Available cases for evaluation in every category.

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