BMC Medical Education

Table 3 Multivariate analysis of mortality for non-elective admissions

From: Is the presence of medical trainees associated with increased mortality with weekend admission?

Characteristic	Odds ratio	Confidence interval	p value
Age	1.04	1.04-1.04	0.0001
Sex
Male	Reference
Female	0.9	0.8-0.9	0.0001
Race
White	Reference
Asian	1.0	1.0-1.0	0.6
Black	1.0	1.0-1.0	0.3
Hispanic	0.9	0.9-0.9	0.0001
Native American	1.0	0.9-1.0	0.4
Other	1.1	1.1-1.1	0.0001
Median Household Income
0-25th Percentile	Reference
26-50th Percentile	0.98	0.97-0.99	0.0001
51-75th Percentile	0.96	0.96-0.97	0.0001
76-100th Percentile	0.95	0.94-0.96	0.0001
Primary Payer
Private	Reference
Medicaid	1.2	1.2-1.3	0.0001
Medicare	1.0	1.0-1.0	0.1
None	0.9	0.8-0.9	0.0001
Other	1.4	1.4-1.5	0.0001
Self-Pay	1.5	1.5-1.5	0.0001
Comorbidity Score	1.2	1.2-1.2	0.0001
Admission Day
Weekday	Reference
Weekend	1.1	1.0-1.1	0.0001
MDC
Nervous System	Reference
Alcohol/Drug Use	0.1	0.1-0.1	0.0001
Burns	1.8	1.6-1.9	0.0001
Circulatory	0.5	0.5-0.5	0.0001
Digestive	0.5	0.5-0.5	0.0001
Endocrine System	0.4	0.4-0.4	0.0001
Eyes	0.1	0.1-0.1	0.0001
Female Reproductive System	0.4	0.4-0.5	0.0001
Hepatobiliary	0.7	0.7-0.7	0.0001
HIV	1.1	1.1-1.1	0.0001
Immunologic	0.4	0.4-0.4	0.0001
Infectious	3.3	3.2-3.3	0.0001
Injuries/Poisons	0.5	0.5-0.5	0.0001
Kidneys	0.6	0.5-0.6	0.0001
Male Reproductive System	0.3	0.3-0.3	0.0001
Mental Health	0.1	0.1-0.1	0.0001
Musculoskeletal	0.3	0.3-0.3	0.0001
Myeloproliferative	1.5	1.5-1.6	0.0001
Neonatal	1.4	1.4-1.4	0.0001
Other Health Factors	0.3	0.3-0.3	0.0001
Otorhinolaryngology	0.2	0.2-0.2	0.0001
Pregnancy And Childbirth	0.0	0.0-0.0	0.0001
Pre-Major Diagnostic Category	1.4	1.3-1.5	0.0001
Respiratory	1.2	1.2-1.2	0.0001
Skin Or Breast	0.2	0.2-0.2	0.0001
Trauma	5.1	5.0-5.3	0.0001
Hospital Control
Not-For-Profit, Nongovernment	Reference
Government	1.1	1.1-1.1	0.0001
For-Profit, Investor Owned	0.97	0.96-0.99	0.0001
Region
Northeast	Reference
Midwest	0.9	0.9-0.9	0.0001
South	0.9	0.9-0.9	0.0001
West	0.95	0.94-0.96	0.0001
Urbanicity	1.01	1.0-1.02	0.03
Critical Access
Yes	0.8	0.8-0.8	0.0001
Missing	0.8	0.8-0.9	0.0001
Rural Referral Center
Yes	1.1	0.1-1.1	0.0001
Missing	1.4	1.4-1.6	0.0001
Networked
Yes	0.99	0.99-1.00	0.02
Missing	0.9	0.9-0.9	0.0001
Medical Surgical Intensive Care	1.0	1.0-1.0	0.5
Hospice Program	1.0	1.0-1.0	0.5
Cardiac Intensive Care	1.04	1.03-1.05	0.0001
Pediatric Hospital	0.97	0.96-0.99	0.0001
Pediatric Intensive Care	1.05	1.04-1.06	0.0001
Neonatal Intensive Care Unit	1.0	1.0-1.0	0.4
Skilled Nursing Care	1.04	1.03-1.05	0.0001
JCAHO Accreditation	1.04	1.02-1.05	0.0001
ACS Cancer Program	1.0	1.0-1.0	0.1
Radiology, Photon Emission	0.98	0.97-0.99	0.0001
Radiology, CT Scan	0.9	0.9-0.9	0.0001
Radiology, PET Scan	1.1	1.1-1.1	0.0001
Medical Beds
0-20	Reference
21-74	0.8	0.8-0.8	0.0001
≥74	0.8	0.8-0.8	0.0001
Missing	0.8	0.8-0.8	0.0001
Total Hospital Beds
0-53	Reference
54-157	1.0	1.0-1.0	0.3
≥157	1.1	1.0-1.1	0.0001
Pediatric Beds
0	Reference
1-15	1.0	1.0-1.0	0.1
≥16	0.1	1.0-1.1	0.0001
Medical & Dental Trainees
0	Reference
1-26	1.03	1.02-1.04	0.0001
≥27	1.05	1.04-1.07	0.0001
Physicians/Hospital Bed
0-0.007	Reference
0.007-0.067	0.9	0.9-0.9	0.0001
≥0.067	0.9	0.9-0.9	0.0001
Nurses/Hospital Bed
0-0.75	Reference
0.75-1.359	0.9	0.9-1.0	0.0001
≥1.359	0.9	0.9-0.9	0.0001

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