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Table 1 Hazard ratios for predictors of hospitalization for urinary tract infection (n = 408,192).

From: Mobility and other predictors of hospitalization for urinary tract infection: a retrospective cohort study

Predictors Percent with attribute Hazard Ratio 95% Confidence Interval
Potentially Modifiable Preventive Factors    
   Walking ability at last assessment:    
Requires extensive assistance or does not walk 46.6% 1.00 reference
Walking with limited assistance or supervision 41.5% 0.55 0.51, 0.60
Independent walker 11.9% 0.31 0.27, 0.36
   Physician visit at admission to skilled nursing facility 84.2% 0.68 0.63, 0.74
   Advanced directive to "do not hospitalize" at last assessment 2.7% 0.40 0.31, 0.54
Potentially Modifiable Risk Factors    
   Indwelling urinary catheter at last assessment 15.7% 2.78 2.57, 3.01
   Physician visit at last assessment 76.8% 2.04 1.89, 2.19
   Urinary tract infection at admission to skilled nursing facility 19.0% 1.57 1.46, 1.69
   Ten or more different medications at last assessment 44.8% 1.31 1.23, 1.40
   Infection with C. difficile or antibiotic-resistant organism at last assessment 4.2% 1.20 1.04, 1.38
Patient Characteristics    
   Age (years):    
65–69 7.5% 1.00 reference
70–74 11.8% 0.98 0.83, 1.15
75–79 19.0% 1.12 0.96, 1.30
80–84 24.1% 1.27 1.10, 1.47
85–89 21.3% 1.35 1.17, 1.57
≥ 90 16.3% 1.31 1.12, 1.53
   Race/Ethnicity:    
White, not of Hispanic origin 81.9% 1.00 reference
Hispanic 7.3% 1.22 1.08, 1.38
African-American, not of Hispanic origin 8.3% 1.12 1.01, 1.25
Asian/Pacific Islander 2.2% 0.83 0.65, 1.06
Native American 0.2% 0.81 0.43, 1.56
Parkinson's disease 5.2% 1.34 1.20, 1.49
Diabetes mellitus 27.4% 1.25 1.16, 1.34
Dementia 31.3% 1.24 1.16, 1.32
Renal failure 7.7% 1.14 1.02, 1.28
Stroke, TIA or hemiplegia 21.6% 1.13 1.05, 1.21
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