Skip to main content

Table 4 Inpatient Logistic Regression Model

From: The association of comorbidities, utilization and costs for patients identified with low back pain

  All Inpatient Admits Number of Events = 1,855 MDC 08 Inpatient Admits Number of Events = 433
Variable Label Odds Ratio Confidence Intervals Odds Ratio Confidence Intervals
Male (Female ref) 1.09 0.98–1.2 1.22 0.99–1.49
Age 18–24(ref) -   -  
Age 25 – 34 0.87 0.60–1.28 0.47 0.14–1.55
Age 35 – 44 0.81 0.60–1.26 1.45 0.57–3.71
Age 45 – 54 1.16 0.83–1.62 2.09 0.83–5.23
Age 55 – 64 1.56 1.12–2.18 3.45 1.38–8.63
Age 65 – 74 2.35 1.67–3.29 5.11 2.04–12.76
Age 75 – 85 4.00 2.82–5.65 11.26 4.50–28.21
Age > 85 5.46 3.58–8.33 12.57 4.67–34.16
Dx Category II (I=ref) 1.00 0.84–1.19 1.64 1.22–2.20
Dx Category III 1.48 1.24–1.76 1.74 1.27–2.39
Dx Category IV 2.43 1.91–3.08 5.64 4.09–7.78
Anxiety 1.14 0.99–1.32 1.17 0.89–1.53
Psychosis 1.72 1.32–2.25 1.38 0.81–2.35
Depression 1.27 1.13–1.46 0.96 0.74–1.27
Asthma/COPD 1.37 1.18–1.58 1.22 0.92–1.60
Diabetes 2.02 1.69–2.40 1.14 0.80–1.63
GI Disorder 1.12 0.97–1.28 1.10 0.86–1.43
HD/Hypertension 1.72 1.53–1.94 1.19 0.95–1.49
Rheumatoid Arthritis 1.36 1.10–1.68 1.11 0.74–1.65
Opiate dispense 1.41 1.25–1.59 1.27 1.02–1.59
NSAID dispense 1.19 1.06–1.33 1.76 1.43–2.17
  1. Comorbidity abbreviations: COPD = Chronic Obstructive Lung Disease, GI = Gastrointestinal, HD/Hyperten=Heart Disease/Hypertension