Table 2.
ISPAL modeling | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Characteristics | All patients (N = 159) | Low risk (n = 80) | High risk (n = 79) | P* | ||||||
n | % | Median (range) | n | % | Median (range) | n | % | Median (range) | ||
Sex | — | — | — | — | — | — | — | — | — | .008† |
Female | 101 | 55.2 | — | 61 | 64.9 | — | 40 | 44.9 | — | — |
Male | 82 | 44.8 | — | 33 | 35.1 | — | 49 | 55.1 | — | — |
Age, y | — | — | 35.6 (18.3-82.5) | — | — | 37.7 (18.3-82.5) | — | — | 34.9 (18.4-66.5) | .517 |
18-40 | 89 | 56.7 | — | 44 | 55.7 | — | 45 | 57.7 | — | — |
41-60 | 56 | 35.7 | — | 26 | 32.9 | — | 30 | 38.5 | — | — |
≥60 | 12 | 7.6 | — | 9 | 11.4 | — | 3 | 3.8 | — | — |
Unknown | 26 | — | — | 15 | — | — | 11 | — | — | — |
ECOG performance status | — | — | — | — | — | — | — | — | — | .483 |
0 | 78 | 54.5 | — | 40 | 55.6 | — | 38 | 53.5 | — | — |
1 | 33 | 23.1 | — | 16 | 22.2 | — | 17 | 23.9 | — | — |
2 | 14 | 9.8 | — | 9 | 12.5 | — | 5 | 7 | — | — |
≥3 | 18 | 12.6 | — | 7 | 9.7 | — | 11 | 15.5 | — | — |
Unknown | 40 | — | — | 22 | — | — | 18 | — | — | — |
Leukocyte counts, ×109/L | — | — | 5.37 (0.8-128.5) | — | — | 3.4 (0.22-102.7) | — | — | 9.9 (0.8-128.5) | .027† |
<5 | 77 | 48.7 | — | 45 | 56.3 | — | 32 | 41 | — | — |
5-10 | 17 | 10.8 | — | 10 | 12.5 | — | 7 | 9 | — | — |
10-50 | 47 | 29.7 | — | 20 | 25 | — | 27 | 34.6 | — | — |
≥50 | 17 | 10.8 | — | 5 | 6.3 | — | 12 | 15.4 | — | — |
Unknown | 25 | — | — | 14 | — | — | 11 | — | — | — |
Platelet counts, ×109/L | — | — | 25.5 (7-230) | — | — | 26 (4-230) | — | — | 25 (7-157) | .314 |
<40 | 123 | 77.8 | — | 59 | 73.8 | — | 64 | 82.1 | — | — |
≥40 | 35 | 22.2 | — | 21 | 26.3 | — | 14 | 17.9 | — | — |
Unknown | 25 | — | — | 14 | — | — | 11 | — | — | — |
Relapse-risk group‡ | — | — | — | — | — | — | — | — | — | .037† |
Low risk | 24 | 15.2 | — | 16 | 20 | — | 8 | 10.3 | — | — |
Intermediate risk | 70 | 44.3 | — | 39 | 48.8 | — | 31 | 39.7 | — | — |
High risk | 64 | 40.5 | — | 25 | 31.2 | — | 39 | 50 | — | — |
Unknown | 25 | — | — | 14 | — | — | 11 | — | — | — |
Hemoglobin, g/dL | — | — | 8.7 (3.2-21.8) | — | — | 8.6 (3.4-21.8) | — | — | 8.7 (3.2-14.9) | .939 |
<10 | 118 | 74.7 | — | 57 | 71.3 | — | 61 | 78.2 | — | — |
≥10 | 40 | 25.3 | — | 23 | 28.7 | — | 17 | 21.8 | — | — |
Missing | 25 | — | — | 14 | — | — | 11 | — | — | — |
Creatinine, mg/dL | — | — | 0.8 (0.8-4.3) | — | — | 0.8 (0.4-2.8) | — | — | 0.81 (0.4-4.3) | .48 |
<1.4 | 146 | 94.8 | — | 78 | 98.7 | — | 68 | 90.7 | — | — |
≥1.4 | 8 | 5.2 | — | 1 | 9.6 | — | 7 | 9.3 | — | — |
Unknown | 29 | — | — | 15 | — | — | 14 | — | — | — |
Uric acid, mg/dL | — | — | 3.9 (1.1-10.3) | — | — | 3.8 (1.1-8.1) | — | — | 4.1 (2-10.3) | .227 |
<7 | 132 | 89.8 | — | 66 | 90.4 | — | 66 | 89.2 | — | — |
≥7 | 15 | 10.2 | — | 7 | 9.6 | — | 8 | 10.8 | — | — |
Unknown | 36 | — | — | 21 | — | — | 15 | — | — | — |
Fibrinogen, mg/dL | — | — | 160 (10-898) | — | — | 163 (10-898) | — | — | 159 (0.5-549) | .86 |
<170 | 80 | 53.7 | — | 40 | 52.6 | — | 40 | 54.8 | — | — |
≥170 | 69 | 46.3 | — | 36 | 47.4 | — | 33 | 45.2 | — | — |
Unknown | 34 | — | — | 18 | — | — | 16 | — | — | — |
Albumin, g/dL | — | — | 3.9 (2.2-5.42) | — | — | 3.9 (2.2-5.42) | — | — | 3.9 (2.4-5) | .754 |
<3.5 | 27 | 22.3 | — | 12 | 20 | — | 15 | 24.6 | — | — |
≥3.5 | 94 | 77.7 | — | 48 | 80 | — | 46 | 75.4 | — | — |
Unknown | 62 | — | — | 34 | — | — | 28 | — | — | — |
His morphologic subtype | — | — | — | — | — | — | — | — | — | .328 |
Hypergranular | 148 | 93.7 | — | 76 | 96.2 | — | 72 | 91.1 | — | — |
Microgranular | 10 | 6.3 | — | 3 | 3.8 | — | 7 | 8.9 | — | — |
Unknown | 25 | — | — | 15 | — | — | 10 | — | — | — |
PML break point | — | — | — | — | — | — | — | — | — | .383 |
BCR1 | 76 | 62.3 | — | 40 | 62.5 | — | 36 | 62.1 | — | — |
BCR2 | 2 | 1.6 | — | 2 | 3.1 | — | — | — | — | — |
BCR3 | 44 | 36.1 | — | 22 | 34.4 | — | 22 | 37.9 | — | — |
Unknown | 61 | — | — | 30 | — | — | 31 | — | — | — |
ECOG, Eastern Cooperative Oncology Group; PML, promyelocytic leukemia.
Missing values were excluded in the calculation of P.
Statistically significant difference (P < .05).
Classification according to PETHEMA/GIMIMA criteria.6