Table 1.

ERCC1 -19q13 status in 152 CRC samples with applied cut-offs, observed ratio ranges for each ERCC1 -19q13 status, and the number of specimens in each of the status groups

ERCC1 -19q13 Status	Cut-off values	Ratio range	Frequency n (% a )
Deletion	< 0.8	0.65-0.69	2 (1.3)
Normal	≥ 0.8 and < 1.5	0.97-1.48	109 (71.7)
Gain	≥ 1.5	1.52-2.47	41 (27.0)

^a% denotes percentage of samples relative to total number of samples.