. Author manuscript; available in PMC: 2011 Apr 13.

Published in final edited form as: Ann Surg Oncol. 2009 Oct 22;17(2):441–447. doi: 10.1245/s10434-009-0735-7

TABLE 1.

Patient characteristics stratified by group (TME vs. LE)

Variable	n	Mean ± SD	Median (min, max)	P value^a
Age (y)				.02
TME	473	57.8 ± 12.5	58.3 (20.7, 87.8)
LE	47	62.5 ± 14.2	61.0 (21.3, 86.4)
Tumor size (cm)				< .0001
TME	440	5.2 ± 1.9	5.0 (1.0, 15)
LE	38	3.9 ± 1.4	4.0 (0.5, 7)
Distance from anal verge (cm)				.0001
TME	472	5.5 ± 3.0	5 (0,12.0)
LE	45	3.7 ± 1.6	4 (0, 8.0)
Dose of radiation received (cGy)				.88
TME	472	4744 ± 371	4500 (1980, 5250)
LE	34	4687 ± 549	4500 (2400, 5250)

min minimum value;

max maximum value;

TME total mesorectal excision;

LE local excision

Wilcoxon rank sum test