Skip to main content

Table 2 Distribution of MRD levels at two time points and comparison of event-free survival in patients classified by MRD levels

From: Prediction of outcomes by early treatment responses in childhood T-cell acute lymphoblastic leukemia: a retrospective study in China

Time point

MRD cut-off

N (%) of patients

3-year EFS (%, SE)

Long-rank test

values

Time point 1

<10−4/≥10−4

16 (48.5)/17 (51.5)

80 (17.9)/73.2 (11.9)

P = 0.337

<10−3/≥10−3

27 (81.8)/6 (18.2)

77.2 (12.7)/66.7 (19.2)

P = 0.243

<10−2/≥10−2

30 (90.9)/3 (9.1)

80.8 (10.8)/33.3 (27.2)

P = 0.006

Time point 2

<10−4/≥10−4

14 (43.8)/18 (56.2)

100/69.1 (11.9)

P = 0.059

<10−3/≥10−3

23 (71.9)/9 (28.1)

87.5 (11.7)/55.6 (16.6)

P = 0.004

<10−2/≥10−2

29 (90.6)/3 (9.4)

83.8 (9.8)/33.3 (27.2)

P = 0.002

  1. SE Standard error