Table 1.

Preoperative variables

		Pre–alvimopan		Alvimopan		P
		N	%	N	%
Gender	Male	39	78%	27	75%	0.745
	Female	11	22%	9	25%
Smoker	No	37	77%	23	64%	0.096
	Yes	11	23%	13	36%
Neoadjuvant	No	36	73%	26	76%	0.757
	Yes	13	27%	8	24%
		Mean (SD)	Range	Mean (SD)	Range	P
Age (years)		64.5 (12.5)	35–91	62.2 (11.5)	41–82	0.335
BMI (kg/m2)		28.0 (5.1)	19.9–41.8	28.8 (5.7)	14.8–40.2	0.458