Table.

Results of processing tables prepared to report examinations performed at the five study sites.

Centre	SZTE	MÁV	HMVH	Makó	Kistelek	Total
Participation of CRC screening	236	267	85	133	65	786
Acceptance of colonoscopy (patients)	236	254	85	132	59	766
Rejection of colonoscopy (patients)	0	13	0	1	6	20
Complete colonoscopies (patients)	219	231	84	125	52	711
Incomplete colonoscopies (patients)	17	23	1	7	7	55
Histology (patients)
Histology of biopsies:	11	16	0	0	2	29
Low grade dysplasia	8	10	0	0	1	19
High grade dysplasia	3	6	0	0	1	10
Histology of polypectomy specimens:
Low grade dysplasia	73	68	27	45	15	228
High grade dysplasia	24	34	3	4	13	78
Findings (patients)
Adenomas:	108	115	30	49	24	335
Low grade dysplasia	81	75	27	45	13	247
High grade dysplasia	27	40	3	4	11	88
No histology needed	9	6	0	5	3	23
Malignant lesions	12	15	0	8	7	42
Other findings (diverticulum, haemorrhoid, hyperplastic inflamed polyp)	90	95	54	63	18	320
Negative findings during endoscopy:	34	14	17	39	4	108
Specialists:	7	2	5	2	4	20

SZTE: Szegedi Tudományegyetem Klinikai Központ I. sz. Belgyógyászati Klinika, MÁV: Vasútegészségügyi Nonprofit Kft., Szeged,