Table 3 Comparison of percentage of regressing vessels between follicles and paracortex in reactive hyperplasia and follicular lymphomas (paired samples t-test)

From: Vascular patterns in reactive lymphoid tissue and in non-Hodgkin's lymphoma

 

Follicles % regressing vessels

 

Paracortex % regressing vessels

P -value

Reactive, nodes only (11)

9.0

vs

0.2

=0.021

Reactive, nodes and tonsils (16)

10.4

vs

2.1a

=0.010

Follicular NHL all (21)

10.1

vs

0.2

<0.0009

  1. aThe high value reported in the paracortex of reactive tonsils is because of a single case of reactive tonsil in which 24% of the paracortical vessels showed signs of regression.
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