Table 3. Logistic Regression Analysis for Variables Associated with Readmission.

	Univariable		Multivariable
Predictive Factor	OR (95% CI)	P-value	OR (95% CI)	P-value
Age ≥ 65 years	1.73 (1.18-2.55)	0.005	1.80 (1.19-2.71)	0.005*
Liver disease	1.95 (1.07-3.52)	0.027	2.28 (1.23-4.24)	0.009*
Procedure
Pancreaticoduodenectomy	1.00		1.00
Distal pancreatectomy	1.20 (0.80-1.79)	0.376	1.77 (1.11-2.84)	0.017*
Total pancreatectomy	0.68 (0.23-2.02)	0.486	0.88 (0.28-2.74)	0.821
Wound complication	1.75 (1.03-2.98)	0.037	1.59 (0.85-2.97)	0.148
Abdominal abscess	4.60 (2.29-9.21)	<0.001	1.74 (0.63-4.78)	0.284
Intravenous antibiotics	2.37 (1.49-3.75)	<0.001	1.41 (0.78-2.56)	0.212
Postoperative drain	4.34 (2.32-8.13)	<0.001	2.81 (1.10-7.14)	0.030*
Length of stay – quartile (days)
≤6	1.00		1.00
7-8	1.51 (0.86-2.64)	0.150	1.78 (0.99-3.20)	0.055
9-13	1.45 (0.82-2.57)	0.198	1.57 (0.84-2.93)	0.159
≥14	2.00 (1.15-3.47)	0.014	1.32 (0.67-2.63)	0.424

^*Statistically significant.