Table 1.

Patient and Tumor Characteristics

Characteristic	WW (n = 32)	Surgery (n = 55)	P
Median age in years (range)	62 (38–84)	55 (30–78)	.03
No. (%) female	16 (50)	17 (31)	.08
Tumor distance (cm) from anal verge, median (range)	5 (0–13)	6 (2–12)	.06
Body mass index, median (range)	24 (17–32)	25 (16–50)	.20
No. (%) of patients with clinical AJCCa stage:
II	8 (25)	11 (20)	.59
III	24 (75)	44 (80)
No. (%) of patients with clinical classification:
cT2	1 (3)	2 (4)	.15
cT3	31 (97)	47 (85)
cT4	0 (0)	6 (11)
Tumor length in mm, median (range)b	38 (25–85)	48 (20–103)	.003
No. (%) of patients with ypT stage:
T0		6 (11)
T1		4 (7)
T2		17 (31)
T3		26 (47)
T4		2 (3)
No. (%) of patients with pathological stage:
0		6 (11)
I		16 (29)
II		14 (25)
III		18 (33)
IV		1 (2)

^aAJCC, American Joint Committee on Cancer.

^bBased on MRI.