Table 3.
Multivariable Logistic Regression of Hospital Admissions
| Hospital Characteristic | OR (95% CI) | P-value |
|---|---|---|
| Ownership (Ref=Not-For-Profit) | ||
| For-Profit | 1.14 (1.03–1.26) | 0.0125 |
| County | 0.93 (0.78–1.12) | 0.4465 |
| Trauma center | 0.97 (0.86–1.10) | 0.628 |
| Teaching | 1.11 (0.94–1.31) | 0.2213 |
| Med-Surg Hospital Beds (Ref= ≥ 100) | ||
| < 100 | 0.90 (0.82–0.98) | 0.0174 |
|
| ||
|
Patient Characteristics
| ||
| Age (Ref=65–69) | <.0001 | |
| 80+ | 1.40 (1.35–1.46) | <.0001 |
| 75–79 | 1.18 (1.13–1.23) | <.0001 |
| 70–74 | 1.12 (1.07–1.17) | <.0001 |
| Male | 1.11 (1.08–1.14) | <.0001 |
| Race/Ethnicity (Ref=white) | <.0001 | |
| Black | 1.01 (0.95–1.07) | 0.7177 |
| Hispanic | 0.92 (0.88–0.96) | <.0001 |
| Asian | 0.88 (0.83–0.93) | <.0001 |
| American Indian | 1.11 (0.87–1.41) | 0.4089 |
| Other | 0.78 (0.72–0.84) | <.0001 |
| Day of week of service (Ref= Weekday) | ||
| Weekend (Sat–Sun) | 0.96 (0.93–0.99) | 0.0059 |
| AMA*/Eloped | 1.82 (1.67–1.98) | <.0001 |
| Nursing Home Patient | 1.82 (1.72–1.94) | <.0001 |
| Discharge Diagnoses (Ref= Hypertension) | ||
| End stage renal disease | 3.83 (2.42–6.08) | <.0001 |
| Chronic renal disease | 3.19 (2.26–4.49) | <.0001 |
| Congestive heart failure | 3.01 (2.59–3.50) | <.0001 |
| Neoplasms | 2.95 (2.39–3.64) | <.0001 |
| Noninfectious lung disease | 2.95 (2.32–3.75) | <.0001 |
| Chronic obstructive pulmonary disease | 2.35 (2.05–2.69) | <.0001 |
| Pneumonia | 2.27 (1.95–2.65) | <.0001 |
| Endocrine; nutritional; metabolic and immunity disorders | 2.17 (1.89–2.50) | <.0001 |
| Mental illness | 2.17 (1.89–2.49) | <.0001 |
| Diseases of the blood | 1.97 (1.62–2.40) | <.0001 |
| Symptom: Abdominal pain | 1.97 (1.73–2.24) | <.0001 |
| Other symptoms | 1.85 (1.63–2.11) | <.0001 |
| Asthma | 1.81 (1.51–2.17) | <.0001 |
| Diabetes | 1.81 (1.56–2.09) | <.0001 |
| Complications and adverse events | 1.78 (1.54–2.05) | <.0001 |
| Urinary tract infection | 1.77 (1.55–2.02) | <.0001 |
| Gastrointestinal system disease | 1.71 (1.50–1.93) | <.0001 |
| Cerebrovascular disease | 1.69 (1.42–2.01) | <.0001 |
| Skin and subcutaneous infection | 1.55 (1.34–1.80) | <.0001 |
| Other infections | 1.42 (1.19–1.69) | <.0001 |
| Other renal and genitourinary disease | 1.38 (1.20–1.58) | <.0001 |
| Other Respiratory Disease | 1.36 (1.19–1.55) | <.0001 |
| Disease of the musculoskeletal system, skin and tissue | 1.35 (1.19–1.53) | <.0001 |
| Heart disease | 1.32 (1.04–1.67) | 0.023 |
| Circulatory disorder | 1.27 (1.07–1.51) | 0.007 |
| Other | 1.19 (1.04–1.36) | 0.013 |
| Symptoms: Headache | 1.15 (0.98–1.36) | 0.094 |
| Dysrhythmias | 1.13 (0.97–1.32) | 0.12 |
| Nervous system disorder | 1.13 (0.98–1.30) | 0.089 |
| Minor injuries | 1.10 (0.97–1.25) | 0.149 |
| Major injuries | 1.07 (0.80–1.45) | 0.644 |
| Upper respiratory infection | 1.07 (0.91–1.26) | 0.405 |
| Symptom: Chest pain | 1.05 (0.91–1.20) | 0.51 |
| Other injuries | 0.87 (0.77–0.99) | 0.032 |
| Symptom: Dizziness, vertigo and syncope | 0.79 (0.69–0.91) | 0.001 |
*
AMA= against medical advice