Table 7.

Bivariate Logistic Regression Models for 30-day Readmissions

	Date of surgery		Date of discharge
	OR (95% CI)	P value	OR (95% CI)	P value
ADI (Ref = Low)
Medium (4–6)	2.13 (1.13 – 4.23)	0.02	1.79 (1.01 – 3.3)	0.05
High (7–10)	2.10 (1.17 – 4.01)	0.02	1.84 (1.08 – 3.24)	0.03
DCI (Ref = Pros/Comf 0–39)
Mid-Tier (40–59)	1.91 (0.96 – 3.77)	0.06	1.73 (0.91 – 3.25)	0.09
Risk/Dis (60–100)	1.68 (1.06 – 2.75)	0.03	1.48 (0.97 – 2.31)	0.08
DCI (Ref = Low Distress (DCI ≤75)
High Distress (DCI >75)	1.42 (0.96 – 2.09)	0.07	1.37 (0.96 – 1.98)	0.08
Insurance Status (Ref = Medicare/Private)
Medicaid/Dual/Carelink/Self-pay	1.46 (0.98 – 2.19)	0.07	1.39 (0.96 – 2.03)	0.08
Age (Ref = 18–44)
45–64	1.13 (0.69 – 1.89)	0.63	0.97 (0.62 – 1.54)	0.89
65+	0.78 (0.41 – 1.46)	0.44	0.64 (0.35 – 1.14)	0.13
Sex (Ref = Female)
Male	0.96 (0.65 – 1.41)	0.83	1.05 (0.73 – 1.51)	0.79
Hispanic Ethnicity (Ref = No)
Yes	1.24 (0.83 – 1.87)	0.31	1.12 (0.77 – 1.64)	0.56
RAI-A (Ref = Robust)
Normal (21–29)	1.01 (0.64 – 1.56)	0.98	1.07 (0.70 – 1.62)	0.74
Frail (30–50)	1.08 (0.58 – 1.93)	0.80	1.82 (1.07 – 3.06)	0.02
Case Priority (Ref = Elective)
Urgent	1.11 (0.72 – 1.68)	0.63	1.32 (0.89 – 1.95)	0.16
Emergency	1.22 (0.62 – 2.27)	0.55	1.47 (0.79 – 2.63)	0.2
Stoma (Ref = No)
Yes	1.82 (1.24 – 2.68)	0.002	3.09 (2.13 – 4.51)	<0.001
Clavien-Dindo IV Complications (Ref = No)
Yes	3.14 (1.99 – 4.89)	<0.001	3.60 (2.33 – 5.53)	<0.001

CI, confidence interval; OR, odds ratio; Ref, reference; ADI, Area Deprivation Index; DCI, Distressed Communities Index; RAI-A, Risk Analysis Index