Table 4.

Multinomial logistic regression of factors associated with ED visits.

Characteristic		No ED Visit N=1,564	Not Preventable N=133	Preventable N=66
Female		-	1.18 [0.80–1.75]	1.62 [0.95–2.78]
Age	<50	-	-	-
	50–59	-	0.69 [0.37–1.31]	0.62 [0.29–1.30]
	60–69	-	0.80 [0.40–1.59]	0.58 [0.24–1.37]
	70+	-	0.71 [0.31–1.61]	0.65 [0.22–1.94]
BMI	<20	-	-	-
	20–25	-	1.03 [0.47–2.29]	1.90 [0.53–6.75]
	25–30	-	1.04 [0.46–2.34]	2.2 [0.61–7.93]
	30–35	-	1.15 [0.48–2.74]	1.07 [0.25–4.65]
	35–40	-	0.83 [0.29–2.37]	1.68 [0.34–8.24]
	40+	-	1.73 [0.56–5.33]	5.2 [1.07–25.2]
Diagnosis	Neoplasm	-	-	-
	IBD	-	1.3 [0.71–2.37]	0.83 [0.37–1.89]
	Diverticulitis	-	0.72 [0.37–1.44]	1.45 [0.70–3.02]
	Other	-	1.17 [0.60–2.29]	0.51 [0.14–1.78]
Rectal resection		-	2.05 [1.17–3.59]	1.77 [0.81–3.90]
Stoma creation		-	1.29 [0.74–2.24]	1.28 [0.59–2.77]
Approach	Laparoscopic	-	-	-
	Robotic	-	0.74 [0.40–1.36]	0.65 [0.3–1.39]
	Open	-	0.97 [0.58–1.62]	0.97 [0.47–2.04]
	Conversion to Open	-	0.83 [0.36–1.92]	0.95 [0.31–2.98]
ASA	>2	-	1.9 [1.2–3.0]	0.70 [0.38–1.31]
Modified Frailty Index	0	-	-	-
	1	-	1.59 [0.95–2.67]	1.25 [0.64–2.45]
	2	-	1.90 [0.97–3.74]	0.93 [0.31–2.80]
	≥3	-	2.26 [0.68–7.54]	0.77 [0.08–7.28]
Post-op LOS >4 days		-	1.53 [0.97–2.42]	1.59 [0.81–2.94]
Unexpected Return to OR		-	5.58 [3.10–10.1]	1.86 [0.66–5.24]
Discharge disposition	Home	-	-	-
	Home with services	-	1.04 [0.62–1.75]	1.65 [0.81–3.39]
	Rehab	-	0.77 [0.35–1.71]	2.3 [0.70–7.61]
Antibiotics on discharge		-	1.01 [0.59–1.71]	0.60 [0.27–1.38]
Ostomy Rx on Discharge		-	1.41 [0.82–2.42]	1.50 [0.72–3.13]
Non-white race		-	0.57 [0.32–1.00]	1.12 [0.59–2.15]
Non-English primary language		-	2.65 [1.32–5.32]	3.6 [1.64–7.92]
Insurance Payor	Medicaid	-	-	-
	Medicare	-	1.31 [0.63–2.72]	0.79 [0.29–2.14]
	Private	-	1.02 [0.53–1.94]	1.10 [0.47–2.16]
	Other	-	0.73 [0.13–4.02]	0.85 [0.10–7.31]