Table 2.

Predictors of Readmission. P values are for comparisons between patients who were readmitted and those who were not, derived from t tests for continuous data and Fisher’s exact test for proportions.

	Readmission
Variable (Patients)	no (n = 320)	yes (n = 110)	P Value
Age	50.0 ± 16.3	49.9 ± 17.2	0.96
Gender % Female (N)	51% (164)	53% (58)	0.79
Weight (kg)	78.4 ± 22.0	77.1 ± 20.2	0.59
% Urgent/Emergent Admission	38% (121)	49% (54)	*0.04
APR-DRGwt	3.3 ± 2.8	3.6 ± 2.1	*0.006
Diagnosis
Cancer	30% (96)	25% (28)	0.46
Diverticulitis	3% (10)	5% (6)
IBD	34% (109)	33% (35)
Other	33% (105)	37% (41)
Postop LOS	11.3 ± 12.7	13.3 ± 11.5	*0.006
Unit
Unit-checklist	157 (47%)	52 (45%)	0.67
Unit-other	174 (53%)	64 (55%)

APR-DRGwt = All Patient Refined-Diagnosis Related Groups weighting; IBD=inflammatory bowel disease; LOS=Length of Stay