Table 3 Labelling indices of colorectal tissue specimens using Bcl‐xL immunohistochemistry, after exclusion of samples from patients treated with chemotherapy and/or radiotherapy.

	Normal mucosa (n = 22)	Mucosa 10 cm from adenocarcinoma (n = 46)	Mucosa 1 cm from adenocarcinoma (n = 44)	Adenocarcinoma (n = 44)
Median LI% (IQR)	0.0*† (0.0–0.0)	15.2* (0.0–32.3)	31.0† (7.8–42.5)	52.5 (22.7–79.1)

*Comparison of two groups p<0.001; †Comparison of two groups p<0.001.

IQR, interquartile range; LI, labelling index.

Mann–Whitney test, *†p<0.001.