Table II.

Characteristics of the patients.

Characteristic	UC (n=20)	UC-LGD (n=20)	UC-HGD (n=10)
Age (years)	43.7±11.3	46.5±13.2	47.2±15.3
Sex (male/female)	11/9	12/8	4/6
Extensive colitis	8 (40)	13 (65)	8 (80)
Disease duration (years)	12.1±6.0	12.3±3.1	13.7±4.9
CRP (mg/dl)	8.1±2.6	7.5±3.3	7.8±2.9
ESR (mm/h)	31.3±1.9	28.1±2.7	30.8±3.4

Values are expressed as the mean ± standard deviation or n (%). Extensive colitis was defined as lesion extending beyond the splenic flexure. UC, ulcerative colitis; UC-LGD, UC with low-grade dysplasia; UC-HGD, UC with high-grade dysplasia; CRP, C-reactive protein; ESR, erythroid sedimentation rate.