Patient characteristics and pattern of relapse
Patient characteristics . | Total (%) n = 500 . | Pattern of relapse . | χ2P value . | |||
---|---|---|---|---|---|---|
CYT (%) n = 187 . | HCP (%) n = 121 . | HAP (%) n = 136 . | UNK (%) N = 56 . | |||
Donor type | ||||||
SIB | 93 | 95 | 94 | 93 | 88 | >.10 |
VUD | 7 | 5 | 6 | 7 | 12 | |
Interval from Dx to SCT | ||||||
<2 years | 69 | 74 | 67 | 65 | 77 | >.10 |
≥2 years | 31 | 26 | 33 | 35 | 23 | |
Disease phase at SCT | ||||||
1st CP | 63 | 77 | 79 | 33 | 55 | <.001 |
>1st CP | 37 | 23 | 21 | 67 | 43 | |
Patient sex | ||||||
Male | 59 | 56 | 59 | 65 | 60 | >.10 |
Female | 41 | 44 | 41 | 35 | 40 | |
R/D gender combination | ||||||
Male/female | 20 | 22 | 16 | 21 | 16 | >.10 |
Other | 80 | 79 | 84 | 79 | 74 | |
T-cell–depleted SCT | ||||||
Yes | 46 | 62 | 50 | 29 | 21 | <.001 |
No | 41 | 34 | 31 | 55 | 54 | |
NA | 13 | 4 | 19 | 16 | 25 | |
Acute GvHD* | ||||||
No | 47 | 52 | 51 | 41 | 41 | >.10 |
Yes | 49 | 47 | 46 | 57 | 32 | |
NA | 4 | 1 | 3 | 2 | 27 | |
Grade of acute GvHD* | ||||||
0 | 47 | 52 | 51 | 41 | 32 | >.10 |
I | 28 | 26 | 27 | 30 | 29 | |
≥II | 21 | 21 | 19 | 27 | 12 | |
Chronic GvHD* | ||||||
No | 63 | 64 | 67 | 63 | 54 | >.10 |
Yes | 28 | 33 | 27 | 27 | 19 | |
NA | 9 | 3 | 6 | 10 | 27 | |
Patient age at relapse | ||||||
<35 yr | 45 | 42 | 36 | 50 | 57 | >.10 |
≥35 yr | 55 | 58 | 64 | 50 | 43 | |
Interval from SCT to relapse | ||||||
<1 yr | 51 | 54 | 30 | 63 | 55 | <.001 |
≥1 yr | 49 | 46 | 70 | 37 | 45 | |
Date of relapse | ||||||
<1/1/90 | 57 | 65 | 47 | 57 | 46 | >.10 |
≥1/1/90 | 43 | 35 | 53 | 43 | 54 | |
Treatment after relapse | ||||||
CHT alone | 17 | 6 | 19 | 36 | 2 | |
α-IFN ± CHT | 14 | 21 | 14 | 10 | 2 | |
DLI ± other | 20 | 25 | 33 | 9 | 0 | |
SCT ± α-IFN ± CHT | 19 | 21 | 25 | 15 | 5 | |
Other | 2 | 4 | 2 | 2 | 0 | |
No therapy | 12 | 15 | 4 | 18 | 4 | |
NA | 16 | 8 | 3 | 10 | 87 |
Patient characteristics . | Total (%) n = 500 . | Pattern of relapse . | χ2P value . | |||
---|---|---|---|---|---|---|
CYT (%) n = 187 . | HCP (%) n = 121 . | HAP (%) n = 136 . | UNK (%) N = 56 . | |||
Donor type | ||||||
SIB | 93 | 95 | 94 | 93 | 88 | >.10 |
VUD | 7 | 5 | 6 | 7 | 12 | |
Interval from Dx to SCT | ||||||
<2 years | 69 | 74 | 67 | 65 | 77 | >.10 |
≥2 years | 31 | 26 | 33 | 35 | 23 | |
Disease phase at SCT | ||||||
1st CP | 63 | 77 | 79 | 33 | 55 | <.001 |
>1st CP | 37 | 23 | 21 | 67 | 43 | |
Patient sex | ||||||
Male | 59 | 56 | 59 | 65 | 60 | >.10 |
Female | 41 | 44 | 41 | 35 | 40 | |
R/D gender combination | ||||||
Male/female | 20 | 22 | 16 | 21 | 16 | >.10 |
Other | 80 | 79 | 84 | 79 | 74 | |
T-cell–depleted SCT | ||||||
Yes | 46 | 62 | 50 | 29 | 21 | <.001 |
No | 41 | 34 | 31 | 55 | 54 | |
NA | 13 | 4 | 19 | 16 | 25 | |
Acute GvHD* | ||||||
No | 47 | 52 | 51 | 41 | 41 | >.10 |
Yes | 49 | 47 | 46 | 57 | 32 | |
NA | 4 | 1 | 3 | 2 | 27 | |
Grade of acute GvHD* | ||||||
0 | 47 | 52 | 51 | 41 | 32 | >.10 |
I | 28 | 26 | 27 | 30 | 29 | |
≥II | 21 | 21 | 19 | 27 | 12 | |
Chronic GvHD* | ||||||
No | 63 | 64 | 67 | 63 | 54 | >.10 |
Yes | 28 | 33 | 27 | 27 | 19 | |
NA | 9 | 3 | 6 | 10 | 27 | |
Patient age at relapse | ||||||
<35 yr | 45 | 42 | 36 | 50 | 57 | >.10 |
≥35 yr | 55 | 58 | 64 | 50 | 43 | |
Interval from SCT to relapse | ||||||
<1 yr | 51 | 54 | 30 | 63 | 55 | <.001 |
≥1 yr | 49 | 46 | 70 | 37 | 45 | |
Date of relapse | ||||||
<1/1/90 | 57 | 65 | 47 | 57 | 46 | >.10 |
≥1/1/90 | 43 | 35 | 53 | 43 | 54 | |
Treatment after relapse | ||||||
CHT alone | 17 | 6 | 19 | 36 | 2 | |
α-IFN ± CHT | 14 | 21 | 14 | 10 | 2 | |
DLI ± other | 20 | 25 | 33 | 9 | 0 | |
SCT ± α-IFN ± CHT | 19 | 21 | 25 | 15 | 5 | |
Other | 2 | 4 | 2 | 2 | 0 | |
No therapy | 12 | 15 | 4 | 18 | 4 | |
NA | 16 | 8 | 3 | 10 | 87 |
CYT indicates cytogenetic relapse; HCP, hematologic relapse in chronic phase; HAP, hematologic relapse in advanced phase (ie, accelerated phase or blastic phase); UNK, unknown; Dx, initial diagnosis; SIB, HLA-identical sibling; VUD, volunteer unrelated donor; SCT, stem cell transplantation; CP, chronic phase; R/D, recipient/donor; NA, not applicable or unavailable; GvHD, graft-versus-host disease; CHT, chemotherapy; α-IFN, α-interferon; DLI, donor lymphocyte infusion.
Before the date of relapse.