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Table 2 Univariate analysis by Cox regression of 459 patients with available MFC-MRD data at TP2

From: Prognostic significance of multiparametric flow cytometry minimal residual disease at two time points after induction in pediatric acute myeloid leukemia

Risk factor

Overall survival

Event-free survival

 

HR

95% CI

P-value

HR

95% CI

P-value

Sex (male)

1.098

0.705–1.711

0.679

1.086

0.752–1.569

0.660

WBC at diagnosis (≥ 50 × 109/L)

1.560

0.997–2.441

0.051

1.630

1.131–2.350

0.009

FAB classification (M7)

1.774

0.887–3.549

0.105

1.633

0.899–2.966

0.107

RUNX1-RUNX1T1

0.309

0.155–0.619

0.001

0.306

0.175–0.534

0.000

CBFB-MYH11

0.294

0.072–1.199

0.088

0.291

0.092–0.914

0.035

MLLT3-KMT2A

0.571

0.209–1.561

0.275

0.667

0.311–1.430

0.298

KMT2A rearrangement excluding MLLT3-KMT2A

1.599

0.866–2.955

0.134

1.292

0.752–2.220

0.353

-7 or 7q-

1.895

0.764–4.697

0.168

1.114

0.455–2.728

0.813

FLT3-ITD mutations

1.953

1.078–3.538

0.027

1.969

1.206–3.215

0.007

ASXL1 mutations

0.770

0.282–2.104

0.610

0.908

0.423–1.948

0.804

NPM1 mutations

1.401

0.344–5.705

0.638

0.943

0.233–3.817

0.935

Biallelic mutated CEBPA

0.340

0.047–2.447

0.284

0.680

0.216–2.140

0.510

MRD ≥ 0.1% before consolidation

2.882

1.774–4.683

0.000

2.703

1.787–4.088

0.000

  1. TP2 at the end of the second induction course (before start of consolidation), WBC white blood cell count, FAB French-American-British; MFC, multiparametric flow cytometry, MRD minimal residual disease, HR hazard ratio, CI confidence interval