. Author manuscript; available in PMC: 2025 Mar 1.

Published in final edited form as: Dis Colon Rectum. 2023 Nov 20;67(3):369–376. doi: 10.1097/DCR.0000000000003096

Table 2:

Endoscopic TAF characteristics by tumor response

Variables	No Residual Tumor (NRT) N=135	Residual Tumor (RT) N=128	p-value

Flat scar	86 (63.7)	25 (19.5)	<0.001
Telangiectasia	68 (50.4)	23 (18)	<0.001
Ulcer	6 (4.4)	26 (20.3)	<0.001
Nodularity	15 (11.1)	33 (25.8)	0.002
Mucosal irregularity	11 (8.1)	34 (26.6)	<0.001
Mild erythema of the scar	9 (6.7)	17 (13.3)	0.097
Visible tumor	6 (4.4)	42 (32.8)	<0.001

Data are reported as n (%). P-values calculated using Fisher’s exact test. Bolded numbers are statistically significant.