TABLE 4.

Results of multivariate models for factors associated with inpatient mortality and adverse events

Factors	Inpatient mortality			Adverse events
	OR	95% CI	p value	OR	95% CI	p value
Patient-level
Male	1.13	0.72–1.77	0.601	1.05	0.85–1.29	0.647
Age ≥ 75 years	1.72	1.08–2.74	0.022	1.32	1.05–1.67	0.017
Race
Non-Hispanic White	Ref			Ref
Hispanic	0.81	0.46–1.43	0.468	0.73	0.56–0.95	0.018
Non-Hispanic African American	1.06	0.55–2.06	0.860	0.71	0.50–1.00	0.051
Others	1.02	0.49–2.14	0.953	1.36	0.98–1.89	0.069
Low income	1.28	0.68–2.41	0.436	1.19	0.88–1.60	0.259
English not the primary language	1.29	0.73–2.29	0.383	0.96	0.73–1.25	0.742
Low education level	0.68	0.36–1.29	0.238	1.02	0.75–1.39	0.899
Live within 100 miles	1.25	0.77–2.02	0.370	0.94	0.74–1.20	0.618
Emergency admission	1.79	1.07–2.98	0.026	2.13	1.64–2.77	< 0.001
Comorbid	2.23	1.36–3.65	0.001	2.38	1.92–2.96	< 0.001
Metastasis	2.59	1.53–4.39	< 0.001	1.38	1.02–1.87	0.039
Total gastrectomy	1.99	1.26–3.13	0.003	1.92	1.55–2.39	< 0.001
Hospital-level
High volume	0.39	0.18–0.86	0.019	0.56	0.36–0.88	0.013
Teaching	0.99	0.56–1.75	0.975	1.06	0.78–1.42	0.719
Many critical beds	1.30	0.72–2.33	0.378	0.90	0.65–1.24	0.514
High occupancy rate	0.91	0.55–1.51	0.716	1.27	0.97–1.66	0.085
High FTE RT-occupied rate	0.92	0.58–1.45	0.716	1.24	0.97–1.59	0.084
High FTE RN-occupied rate	1.23	0.74–2.05	0.416	0.91	0.70–1.19	0.490
High FTE LVN-occupied rate	1.16	0.65–2.09	0.613	1.22	0.89–1.67	0.219
Year
2010–11	Ref			Ref
2011–12	1.25	0.63–2.46	0.522	0.77	0.56–1.04	0.086
2012–13	0.82	0.38–1.77	0.608	0.69	0.50–0.95	0.022
2013–14	1.66	0.87–3.13	0.122	0.78	0.58–1.05	0.106
2014–15	0.85	0.40–1.81	0.673	0.71	0.52–0.98	0.035

OR odds ratio, CI confidence interval, FTE full-time equivalent, RN registered nurse, RT respiratory therapist, LVN licensed vocational nurse