Table 3.

Characteristics of LGD patients: Progressors versus Non-Progressors

Risk factor	Progressors (n=8)	Non-progressors (n=34)	Risk Ratio [95% CI]†	p value
Average age UC onset (yrs)	28	32	0.99 (0.93–1.05)	0.79
Onset of UC age ≥ 30	3	15	1.12 (0.25–5.09)	0.88
Average age at LGD (yrs)	44	51	0.95 (0.88–1.02)	0.13
Age at LGD ≥ 50	2	17	0.99 (0.10–2.57)	0.40
Duration of UC (yrs) at LGD	15.5	18.5	0.95 (0.88–1.02)	0.17
Duration of UC ≥ 20yrs	3	17	0.36 (0.07–1.87)	0.23
# biopsies taken (mean)	39	43	0.97 (0.92–1.03)	0.34
# of biopsies with LGD(mean)	2.6	1.5*	2.83 (1.44–5.55)*	<0.01
≥2 biopsies with LGD	6	13	7.2 (0.86–60.07)	0.07
≥3 biopsies with LGD	4	5	5.8 (1.29–26.04)	0.02
Left-sided dysplasia	4	16	1.14 (0.25–5.13)	0.86
Visible lesion	4	19	0.61 (0.14–2.73)	0.51
Primary Sclerosing Cholangitis	4	7	1.78 (0.39–8.11)	0.45

^† 95% Confidence Interval

^*one outlier patient with 40 biopsies of LGD was excluded from calculations