Table 1.

Percent Methylation Distribution for Paired Samples

Gene	Number of patients	Initial Biopsy	Re-Biopsy/Surgery	Differenceb	p-valuec
CCNA1a	86	23.5 (4.5, 78)	24.8 (6.3, 67.3)	0.9 (−31.3, 53.3)	0.56
CD1Aa	94	69.2 (21.8,95.9)	69.1 (21.4, 91.1)	−0.2 (−28.2, 36.3)	0.66
DCCa	96	33.1 (5.7,91.2)	32.2 (3.9, 85.8)	−0.7 (−36.9, 43.1)	0.17
NDNa	94	42.2 (34.9, 51.2)	43.0 (36.3, 52.3)	0.4 (−5.2, 7.7)	0.58d

^aMedian(range)

^bRe-Biopsy or Surgery-Initial Biopsy

^cp-value for paired test

^dparametric test