Table 2 Sub-group analysis of the odds ratio of relapse risk between subjects with positive and negative MRD-tests.

From: Measurable residual disease (MRD)-testing in haematological and solid cancers

Sub-group

Odds ratio (95-percent CI)a

Haematological cancers

 All (N = 66)

3.5 (2.3–5.4)

 Publication year

  Before 31 Dec 2018 (N = 33)

2.3 (1.0–5.4)

  After 1 Jan 2019 (N = 33)

4.5 (2.4–8.3)

 Cancer type

  ALL (N = 23)

2.5 (1.3–4.5)

  AML (N = 38)

4.7 (2.6–8.6)

 Patient age

  Adults (N = 39)

4.4 (2.5–7.6)

  Children (N = 11)

1.7 (0.3–9.8)

 MRD-test time

  During or after induction (N = 33)

1.6 (1.0–2.6)

  During or after consolidation (N = 9)

12.8 (5.8–28.6)

  Before transplant (N = 24)

6.3 (3.7–10.6)

  After transplant (N = 9)

21.0 (6.8–65.3)

 MRD-test assay

  MPFC (N = 31)

4.4 (2.4–8.1)

  PCR (N = 24)

2.2 (0.5–9.4)

  NGS (N = 8)

4.9 (1.1–22.1)

Solid cancers (N = 13)

9.1 (3.3–24.9)

  1. ALL acute lymphoblastic leukaemia, AML acute myeloid leukaemia, CI confidence interval, MPFC multi-parameter flow cytometry, MRD measurable residual disease, NGS next-generation sequencing, PCR polymerase chain reaction.
  2. aEstimated by Egger regression.