Prognostic Value of Mandard and Dworak Tumor Regression Grading in Rectal Cancer: Study of a Single Tertiary Center

Table 1

Clinical parameters and 𝑃 value of TRG groups.

Variables	𝑛=139	Mandard	Dworak
		Good versus bad response	Good versus bad response
		𝑃 value	𝑃 value
Sex
Male	87 (62.6%)	0.52	0.64
Female	52 (37.4%)
Age
Mean (range)	64.2 (32–82)	0.12	0.34
Tumor distance from anal verge
>6 cm	68 (48.9%)	0.009	0.02
≤6 cm	71 (51.1%)
Clinical stage
II	77 (53.5%)	0.13	0.49
III	67 (46.5%)
Surgical procedure
SSRR (sphincter saving rectal resection)	88 (63.3%)	0.18	0.33
APR (abdominoperineal resection)	46 (33.1%)
Other (rectal resection without anastomose)	5 (3.6%)