Table 1. Patients characteristics.

Characteristic	Total colitis type	Left sided type
Number of patients	33	19
Gender Male/Female	15/18	11/18
Mean age ± SD	50.3 ± 15.6	49.2 ± 14.8
Mean duration of disease(years) ± SD	9.7 ± 7.8	9.1 ± 7.4
Mayo 0/1	25/8	16/3
Treatment
5-ASA mesalazine	30	14
Salazosulfapyridine	2	3
Prednisolone	0	0
Immunomodulator	1	1
Biologics	0	0
No medication	1	2