Table 4.

Multivariate analysis of predictors of 30-day readmission after elective AAA repair. Odds ratios are adjusted for the variables shown in the table: age, gender, 8 comorbid conditions, 5 complications, prolonged LOS, and discharge destination.

Factor	Odds Ratio (95% CI)
Age
65–70	Referent
71–75	2.01 (1.35 – 2.98) *
76–80	1.57 (1.05 – 2.33) *
81–85	1.80 (1.18 – 2.76) *
85+	1.76 (0.99 – 3.10)
Female (vs. Male)	1.14 (0.86 – 1.50)
Comorbid Conditions
Paralysis	1.59 (0.73 – 3.47)
Neurologic Disease	1.16 (0.74 – 1.82)
Anemia	1.39 (1.05 – 1.85) *
Congestive Heart Failure	1.40 (1.03 – 1.89) *
Renal Failure	1.15 (0.78 – 1.68)
History of Cancer	1.40 (1.03 – 1.90) *
Chronic Pulmonary Disease	1.11 (0.86 – 1.42)
Fluid/Electrolyte Disorder	1.05 (0.73 – 1.50)
Postoperative Complications
Wound	2.50 (1.08 – 5.79) *
Renal/Urologic	1.75 (1.01 – 3.06) *
Vascular/Graft	1.40 (0.91 – 2.13)
Cardiac	1.31 (0.78 – 2.20)
Respiratory	0.84 (0.56 – 1.25)
Prolonged Length of Stay (>7d)	1.26 (0.93 – 1.72)
Discharge Destination
Home	Referent
Home with Home Care	1.52 (1.09 – 2.11) *
Skilled Nursing Facility	2.50 (1.68 – 3.71) *
Other facility	1.72 (1.03 – 2.88) *

^*Denotes a statistically significant association at the p<0.05 level.