Table 1 Cumulative incidence of histologic transformation by lymphoma subtype.

From: A comparative analysis of transformed indolent lymphomas and de novo diffuse large B-cell lymphoma: a population-based cohort study

 

Patients diagnosed between 2010–2015, n

Transformed cases between 2010–2020, n

Median follow-up among survivors, y (95% CI)

Cumulative incidence of HT, %

FL

11934

662

7.75 (7.67–7.83)

5.55

EMZL

4070

66

7.58 (7.50–7.67)

1.62

NMZL

1779

72

7.83 (7.67–8.08)

4.05

SMZL

516

35

7.67 (7.42–8.08)

6.78

LPL/WM

1622

36

7.67 (7.50–7.83)

2.22

  1. HT histologic transformation, FL follicular lymphoma, EMZL extranodal marginal zone lymphoma, NMZL nodal marginal zone lymphoma, SMZL splenic marginal zone lymphoma, LPL/WM lymphoplasmacytic lymphoma/Waldenstrom’s macroglobulinemia.