Table 4 Hierarchical logit model for predictors of readmission within 30 days among trauma patients 65 and older admitted for single-level fall

Trauma mortality prediction model^§

1.03

1.01–1.05

Elixhauser comorbidity index for readmission

1.03

1.03–1.03

Female

1.29

1.26–1.32

Age, years

1.007

1.005–1.009

Palliative care consult

0.41

0.37–0.44

Injury categories

 Pelvis fracture

0.90

0.86–0.94

 Sprain or strain

0.87

0.80–0.94

 Upper extremity fracture

1.04

1.00–1.08

 Traumatic brain injury, ± coma

1.31

1.27–1.35

 Kidneys, ureter, bladder, urethra

1.25

1.04–1.50

†

 Eyes, ears, nasopharynx, oropharynx, teeth

0.87

0.81–0.93

 Vascular injuries

1.42

1.13–1.78

†

Comorbid conditions

 Alcohol abuse

0.88

0.83–0.93

 Deficiency anemia

0.88

0.86–0.91

 Cancer, lymphoma

0.81

0.73–0.90

 Cancer, metastatic

0.71

0.65–0.77

 Cerebrovascular disease

0.91

0.86–0.95

 Dementia

1.05

1.03–1.09

 Depression

0.92

0.89–0.95

 Diabetes mellitus without complications

0.94

0.91–0.97

 Drug abuse

0.85

0.78–0.93

 Neurological disorders affecting movement

1.05

1.01–1.10

†

 Neurological disorders, other

0.15

0.14–0.16

 Seizures and epilepsy

1.11

1.05–1.16

 Obesity

1.22

1.18–1.27

 Psychoses

0.89

0.84–0.94

Major therapeutic procedure

0.97

0.96–0.99

Minor therapeutic procedure

1.04

1.03–1.05

Discharge disposition

 Routine

Referent

Referent

 Transfer to short-term hospital

2.50

2.25–2.78

 Skilled nursing, intermediate care

1.35

1.30–1.40

 Home health care

1.06

1.01–1.10

 Left against medical advice

2.18

1.86–2.55