Table 4 Multivariate analysis for EFS and OS among MLL-r positive ALL patients

EFS

T-cell

5.0 (1.5, 17.5)

0.011

WBC ≥50 × 10⁹/L

6.4 (1.6, 24.8)

0.007

MLL-AF4

3.5 (1.1, 11.5)

0.035

MLL-PTD

2.4 (0.6, 9.9)

0.223

MLL-ENL

1.9 (0.2, 15.4)

0.554

MLL-others

1.5 (0.2, 12.6)

0.682

PPR

6.1 (0.2, 212.8)

0.321

D15 BM NR

3.6 (0.5, 26.3)

0.214

D33 BM NR

1.4 (0.3, 6.3)

0.653

D15 MRD (+)

4.8 (1.4, 17.1)

0.015

D33 MRD (+)

0.1 (0.0, 353.7)

0.596

SCT

0.4(0.0, 0.9)

0.027

OS

T-cell

6.7 (1.5–29.6)

0.012

WBC ≥50 × 10⁹/L

3.6 (1.1, 12.4)

0.041

MLL-AF4

4.6 (1.5, 14.4)

0.008

MLL-PTD

4.5 (0.3, 57.0)

0.251

MLL-ENL

0.9 (0.7, 1.3)

0.700

MLL-others

2.6 (0.8, 8.3)

0.115

PPR

6.9 (0.1, 616.6)

0.402

D15 BM NR

0.3 (0.1, 1.6)

0.180

D33 BM NR

6.9 (0.1, 616.6)

0.402

D15 MRD (+)

2.6 (1.1, 6.0)

0.025

D33 MRD (+)

3.1 (0.2, 40.8)

0.384

SCT

0.2 (0.0, 1.1)

0.065