Table 4. Histological findings in patients with EPS (post-transplantation EPS and classical EPS) in the study population of the Netherlands and Germany; Fibrosis (0, 1 vs. 2, 3), Fibroblast-like-cells (FLC) (0, 1 vs. 2, 3), Exudation (0, 1 vs. 2, 3), Mesothelial denudation (0 vs. 1), Acellular areas (0 vs. 1), Cellularity (0, 1 vs. 2, 3), Vessel density (0, 1 vs. 2, 3), Acute inflammation (0, 1 vs. 2, 3), Chronic inflammation (0, 1 vs. 2, 3), Vasculopathy (0 vs. 1), Hemorrhage (0, 1 vs. 2, 3), Fibrin deposits (0, 1 vs. 2, 3), Calcification (0 vs. 1), Iron deposits (0 vs. 1), Ossification (0 vs. 1), Podoplanin vascular (0, 1 vs. 2, 3), Podoplanin avscular (0, 1 vs. 2, 3).

Variable	Netherlands (n = 18)	Germany (n = 38)	p
Fibrosis	2/16	1/37	0.2
FLC	10/8	14/24	0.3
Exudation	8/10	18/20	1
Mesothelial denudation	0/18	0/38	0.3
Acellular areas	13/5	24/14	0.6
Cellularity	6/12	14/24	1
Vessel density	3/15	11/38	0.5
Acute inflammation	14/4	33/5	0.4
Chronic inflammation	11/7	18/20	0.4
Vasculopathy	5/13	6/32	0.3
Hemorrhage	12/6	20/18	0.8
Fibrin deposits	9/9	12/26	0.2
Calcification	18/0	33/5	0.2
Iron deposits	4/14	17/21	0.1
Ossification	0/0	0/0	1
Podoplanin vascular	13/5	20/18	0.2
Podoplanin avascular	9/9	12/26	0.2