Table 1. Clinical data of patients who did or did not progress to cancer.

	Cancer	No Cancer	p-value
Parameter	N = 32 patients	N = 181 patients
Mean Age at baseline (years)	65.6	62.5	0.16
Gender (M:F ratio)	4.3:1	3.8:1	0.77
Mean BE length at baseline (cm) (min-max)	8.22 (2–19)	5.26 (0–20)	<0.001
Maximum diagnosis at baseline
Negative for dysplasia	5	144
Indefinite	0	0
LGD	3	27
HGD	24	10	<0.001
Mean # of biopsies/pt (min-max)	26.6 (4–64)	11.8 (1–43)	<0.001
Mean # crypts*/biopsy (median, min-max)	13.7 (13, 0–47)	13.6 (12, 1–113)	0.73
Mean # Nondysplastic crypts/biopsy (median, min-max)	8.9 (8, 0–45)	12.7 (11, 0–113)	<0.001
Mean # Dysplastic crypts/biopsy (median, min-max)	4.8 (0, 0–47)	0.9 (0, (0–39)	<0.001
Mean (median, min-max) follow-up in months	41.3 (31, 2.9–118)	98.4 (107.1,2.3–176)	<0.001

* combined nondysplastic and dysplastic