Univariate analysis of variables influencing LFS, RI, TRM, and OS
. | N . | LFS . | RI . | TRM . | OS . |
---|---|---|---|---|---|
Median age at diagnosis, y | |||||
Younger than 7.3 | 193 | 61 ± 4 | 38 ± 4 | 2 ± 1 | 66 ± 4 |
7.3 or older | 194 | 58 ± 4 | 40 ± 4 | 3 ± 1 | 64 ± 4 |
P | .66 | .89 | .23 | .75 | |
Median age at ABMT, y | |||||
Younger than 7.8 | 193 | 61 ± 4 | 38 ± 4 | 2 ± 1 | 66 ± 4 |
7.8 or older | 194 | 58 ± 4 | 40 ± 4 | 3 ± 1 | 64 ± 4 |
P | .81 | .92 | .57 | .92 | |
Median WBC count at diagnosis | |||||
Lower than 17 × 109/L | 167 | 63 ± 4 | 35 ± 4 | 3 ± 1 | 65 ± 4 |
17 × 109/L and higher | 169 | 55 ± 4 | 44 ± 4 | 1 ± 1 | 64 ± 4 |
P | .16 | .13 | .69 | .86 | |
Sex | |||||
Male | 204 | 58 ± 4 | 41 ± 4 | 2 ± 1 | 63 ± 4 |
Female | 183 | 62 ± 4 | 36 ± 4 | 3 ± 1 | 67 ± 4 |
P | .35 | .24 | .44 | .44 | |
FAB subtype | |||||
M3 | 36 | 77 ± 7 | 18 ± 7 | 6 ± 4 | 80 ± 7 |
M0 and M6 | 16 | 29 ± 14 | 71 ± 14 | 0 | 47 ± 13 |
Other subtype | 335 | 59 ± 3 | 40 ± 3 | 2 ± 1 | 64 ± 3 |
P | .023-150 | .0063-150 | .5 | .13 | |
Cytogenetics | |||||
Good | 63 | 68 ± 6 | 29 ± 6 | 5 ± 3 | 74 ± 6 |
Normal/intermediate | 102 | 61 ± 5 | 38 ± 5 | 1 ± 1 | 73 ± 5 |
Poor | 32 | 65 ± 9 | 33 ± 9 | 3 ± 3 | 65 ± 9 |
NA/failed | 190 | 56 ± 4 | 43 ± 4 | 3 ± 1 | 60 ± 4 |
P | .45 | .27 | .71 | .21 | |
No. induction courses to reach CR1 | |||||
1 | 234 | 63 ± 4 | 36 ± 3 | 2 ± 1 | 68 ± 3 |
2 | 92 | 60 ± 5 | 39 ± 5 | 3 ± 2 | 65 ± 5 |
More than 2 | 29 | 48 ± 9 | 50 ± 9 | 3 ± 3 | 50 ± 9 |
P(trend) | .1 | .1 | .75 | .043-150 | |
1 or 2 courses (together) | 62 ± 3 | 37 ± 3 | 2 ± 1 | 67 ± 3 | |
P (1 or 2 courses vs >2) | .08 | .1 | .6 | .0163-150 | |
Median interval diagnosis to CR1, d | |||||
Fewer than 38 | 188 | 63 ± 4 | 36 ± 4 | 2 ± 1 | 70 ± 4 |
38 or more | 199 | 57 ± 4 | 41 ± 4 | 3 ± 1 | 61 ± 4 |
P | .1 | .17 | .24 | .033-150 | |
No. consolidation courses between CR1 and ABMT | |||||
3 or fewer | 145 | 63 ± 4 | 35 ± 4 | 3 ± 2 | 70 ± 4 |
More than 3 | 86 | 69 ± 5 | 31 ± 5 | 0 | 70 ± 5 |
P | .35 | .59 | .09 | .85 | |
Interval CR1 to ABMT, d | |||||
Fewer than 170 (5th percentile) | 310 | 57 ± 3 | 42 ± 3 | 3 ± 1 | 64 ± 3 |
170 or more | 77 | 70 ± 5 | 29 ± 5 | 0 | 70 ± 5 |
P | .0143-150 | .043-150 | .1 | .2 | |
Source of stem cells | |||||
BM | 318 | 60 ± 3 | 38 ± 3 | 3 ± 1 | 66 ± 3 |
PB | 60 | 61 ± 8 | 37 ± 8 | 2 ± 2 | 60 ± 10 |
P | .81 | .74 | .76 | .64 | |
Purging | |||||
No | 267 | 56 ± 3 | 43 ± 3 | 2 ± 1 | 61 ± 3 |
Yes | 120 | 68 ± 5 | 30 ± 4 | 3 ± 2 | 74 ± 4 |
P | .09 | .043-150 | .21 | .07 | |
Conditioning regimen | |||||
TBI + other chemotherapy | 157 | 63 ± 4 | 34 ± 4 | 5 ± 2 | 67 ± 4 |
Busulfan + other chemotherapy | 138 | 59 ± 4 | 40 ± 4 | 2 ± 1 | 62 ± 5 |
BAVC | 37 | 35 ± 8 | 65 ± 8 | 0 | 49 ± 8 |
Other chemotherapy | 55 | 65 ± 7 | 34 ± 7 | 0 | 78 ± 7 |
OverallP | .033-150 | .0073-150 | .08 | .033-150 | |
P for TBI vs no TBI | .27 | .07 | .0123-150 | .64 | |
P for TBI + other chemotherapy vs busulfan + other chemotherapy | .43 | .18 | .12 | .51 | |
Median no. nucleated cells infused BM | |||||
Less than 2.85 × 108/kg | 120 | 63 ± 4 | 36 ± 5 | 2 ± 1 | 71 ± 4 |
2.85 × 108/kg or more | 120 | 54 ± 5 | 45 ± 5 | 3 ± 1 | 56 ± 5 |
P | .21 | .23 | .67 | .033-150 | |
Median PB | |||||
Less than 8.8 × 108/kg | 26 | 53 ± 11 | 44 ± 11 | 5 ± 5 | 55 ± 14 |
8.8 × 108/kg or more | 27 | 74 ± 9 | 26 ± 9 | 0 | 70 ± 12 |
P | .29 | .4 | .32 | .39 | |
BM and nucleated cells | |||||
BM less than 2.85 × 108/kg | 120 | 63 ± 5 | 36 ± 5 | 2 ± 1 | 71 ± 4 |
Other | 180 | 56 ± 4 | 42 ± 4 | 3 ± 1 | 58 ± 4 |
P | .25 | .27 | .73 | .043-150 | |
Year of transplantation, median | |||||
Before 1993 | 195 | 60 ± 3 | 39 ± 3 | 2 ± 1 | 65 ± 3 |
1993 or later | 192 | 74 ± 9 | 37 ± 4 | 3 ± 1 | 66 ± 4 |
P | .29 | .65 | .63 | .99 |
. | N . | LFS . | RI . | TRM . | OS . |
---|---|---|---|---|---|
Median age at diagnosis, y | |||||
Younger than 7.3 | 193 | 61 ± 4 | 38 ± 4 | 2 ± 1 | 66 ± 4 |
7.3 or older | 194 | 58 ± 4 | 40 ± 4 | 3 ± 1 | 64 ± 4 |
P | .66 | .89 | .23 | .75 | |
Median age at ABMT, y | |||||
Younger than 7.8 | 193 | 61 ± 4 | 38 ± 4 | 2 ± 1 | 66 ± 4 |
7.8 or older | 194 | 58 ± 4 | 40 ± 4 | 3 ± 1 | 64 ± 4 |
P | .81 | .92 | .57 | .92 | |
Median WBC count at diagnosis | |||||
Lower than 17 × 109/L | 167 | 63 ± 4 | 35 ± 4 | 3 ± 1 | 65 ± 4 |
17 × 109/L and higher | 169 | 55 ± 4 | 44 ± 4 | 1 ± 1 | 64 ± 4 |
P | .16 | .13 | .69 | .86 | |
Sex | |||||
Male | 204 | 58 ± 4 | 41 ± 4 | 2 ± 1 | 63 ± 4 |
Female | 183 | 62 ± 4 | 36 ± 4 | 3 ± 1 | 67 ± 4 |
P | .35 | .24 | .44 | .44 | |
FAB subtype | |||||
M3 | 36 | 77 ± 7 | 18 ± 7 | 6 ± 4 | 80 ± 7 |
M0 and M6 | 16 | 29 ± 14 | 71 ± 14 | 0 | 47 ± 13 |
Other subtype | 335 | 59 ± 3 | 40 ± 3 | 2 ± 1 | 64 ± 3 |
P | .023-150 | .0063-150 | .5 | .13 | |
Cytogenetics | |||||
Good | 63 | 68 ± 6 | 29 ± 6 | 5 ± 3 | 74 ± 6 |
Normal/intermediate | 102 | 61 ± 5 | 38 ± 5 | 1 ± 1 | 73 ± 5 |
Poor | 32 | 65 ± 9 | 33 ± 9 | 3 ± 3 | 65 ± 9 |
NA/failed | 190 | 56 ± 4 | 43 ± 4 | 3 ± 1 | 60 ± 4 |
P | .45 | .27 | .71 | .21 | |
No. induction courses to reach CR1 | |||||
1 | 234 | 63 ± 4 | 36 ± 3 | 2 ± 1 | 68 ± 3 |
2 | 92 | 60 ± 5 | 39 ± 5 | 3 ± 2 | 65 ± 5 |
More than 2 | 29 | 48 ± 9 | 50 ± 9 | 3 ± 3 | 50 ± 9 |
P(trend) | .1 | .1 | .75 | .043-150 | |
1 or 2 courses (together) | 62 ± 3 | 37 ± 3 | 2 ± 1 | 67 ± 3 | |
P (1 or 2 courses vs >2) | .08 | .1 | .6 | .0163-150 | |
Median interval diagnosis to CR1, d | |||||
Fewer than 38 | 188 | 63 ± 4 | 36 ± 4 | 2 ± 1 | 70 ± 4 |
38 or more | 199 | 57 ± 4 | 41 ± 4 | 3 ± 1 | 61 ± 4 |
P | .1 | .17 | .24 | .033-150 | |
No. consolidation courses between CR1 and ABMT | |||||
3 or fewer | 145 | 63 ± 4 | 35 ± 4 | 3 ± 2 | 70 ± 4 |
More than 3 | 86 | 69 ± 5 | 31 ± 5 | 0 | 70 ± 5 |
P | .35 | .59 | .09 | .85 | |
Interval CR1 to ABMT, d | |||||
Fewer than 170 (5th percentile) | 310 | 57 ± 3 | 42 ± 3 | 3 ± 1 | 64 ± 3 |
170 or more | 77 | 70 ± 5 | 29 ± 5 | 0 | 70 ± 5 |
P | .0143-150 | .043-150 | .1 | .2 | |
Source of stem cells | |||||
BM | 318 | 60 ± 3 | 38 ± 3 | 3 ± 1 | 66 ± 3 |
PB | 60 | 61 ± 8 | 37 ± 8 | 2 ± 2 | 60 ± 10 |
P | .81 | .74 | .76 | .64 | |
Purging | |||||
No | 267 | 56 ± 3 | 43 ± 3 | 2 ± 1 | 61 ± 3 |
Yes | 120 | 68 ± 5 | 30 ± 4 | 3 ± 2 | 74 ± 4 |
P | .09 | .043-150 | .21 | .07 | |
Conditioning regimen | |||||
TBI + other chemotherapy | 157 | 63 ± 4 | 34 ± 4 | 5 ± 2 | 67 ± 4 |
Busulfan + other chemotherapy | 138 | 59 ± 4 | 40 ± 4 | 2 ± 1 | 62 ± 5 |
BAVC | 37 | 35 ± 8 | 65 ± 8 | 0 | 49 ± 8 |
Other chemotherapy | 55 | 65 ± 7 | 34 ± 7 | 0 | 78 ± 7 |
OverallP | .033-150 | .0073-150 | .08 | .033-150 | |
P for TBI vs no TBI | .27 | .07 | .0123-150 | .64 | |
P for TBI + other chemotherapy vs busulfan + other chemotherapy | .43 | .18 | .12 | .51 | |
Median no. nucleated cells infused BM | |||||
Less than 2.85 × 108/kg | 120 | 63 ± 4 | 36 ± 5 | 2 ± 1 | 71 ± 4 |
2.85 × 108/kg or more | 120 | 54 ± 5 | 45 ± 5 | 3 ± 1 | 56 ± 5 |
P | .21 | .23 | .67 | .033-150 | |
Median PB | |||||
Less than 8.8 × 108/kg | 26 | 53 ± 11 | 44 ± 11 | 5 ± 5 | 55 ± 14 |
8.8 × 108/kg or more | 27 | 74 ± 9 | 26 ± 9 | 0 | 70 ± 12 |
P | .29 | .4 | .32 | .39 | |
BM and nucleated cells | |||||
BM less than 2.85 × 108/kg | 120 | 63 ± 5 | 36 ± 5 | 2 ± 1 | 71 ± 4 |
Other | 180 | 56 ± 4 | 42 ± 4 | 3 ± 1 | 58 ± 4 |
P | .25 | .27 | .73 | .043-150 | |
Year of transplantation, median | |||||
Before 1993 | 195 | 60 ± 3 | 39 ± 3 | 2 ± 1 | 65 ± 3 |
1993 or later | 192 | 74 ± 9 | 37 ± 4 | 3 ± 1 | 66 ± 4 |
P | .29 | .65 | .63 | .99 |
P ≤ .05; NA indicates not applicable.