Table 2.
Odd ratio | 95% CI | P value | ||
---|---|---|---|---|
Age | 50–59 years | 1.0 (reference) | ||
60–69 years | 2.74 | 2.25–3.34 | <0.001 | |
70–79 years | 5.01 | 4.08–6.17 | <0.001 | |
80+ years | 8.20 | 6.59–10.20 | <0.001 | |
Married (reference not married) | 0.86 | 0.76–0.96 | 0.011 | |
Race/ethnicity (reference white) | Black | 0.64 | 0.50–0.81 | <0.001 |
Hispanic | 0.87 | 0.55–1.37 | 0.549 | |
Other | 0.27 | 0.18–0.40 | <0.001 | |
Annual non-psychiatric hospital daysa | 1.00 | 1.00–1.00 | <0.001 | |
Annual COPD exacerbations = 1b | 2.13 | 1.81–2.51 | <0.001 | |
Annual COPD exacerbation = 2 or moreb | 2.95 | 2.50–3.48 | <0.001 | |
Comorbidities (1 or more diagnosis) | Diabetes | 0.87 | 0.75–1.01 | 0.077 |
Obesity | 0.73 | 0.57–0.91 | 0.006 | |
Depression | 1.11 | 0.97–1.26 | 0.126 | |
Alcohol abuse | 1.52 | 1.21–1.85 | <0.001 | |
Osteoarthritis | 1.07 | 0.97–1.18 | 0.198 | |
Osteoporosis | 1.52 | 1.08–2.12 | 0.015 | |
Malnutritionc | 1.35 | 0.77–2.34 | 0.283 | |
Medication used | Inhaled corticosteroid | 1.20 | 1.02–1.40 | 0.025 |
Systemic corticosteroide | 0.92 | 0.68–1.26 | 0.619 | |
Proton pump inhibitor | 0.80 | 0.68–0.94 | 0.009 | |
SSRI | 1.32 | 1.16–1.49 | <0.001 | |
Tricyclic antidepressant | 1.46 | 1.14–1.88 | 0.003 | |
Benzodiazepine | 1.18 | 1.03–1.34 | 0.017 | |
Anti-Parkinson’s disease | 2.03 | 1.52–2.71 | <0.001 | |
Anti-resorptive | 1.05 | 0.80–1.38 | 0.703 | |
Anticonvulsants | 1.50 | 1.22–1.84 | <0.001 | |
Barbiturates | 2.79 | 1.80–4.30 | <0.001 |
COPD exacerbation either a hospitalization for COPD with a primary diagnosis of COPD or respiratory failure or an emergency department or outpatient visit with a COPD diagnosis where a new short-course prescription for either oral corticosteroids or antibiotics was filled within 5 days of the visit
SSRI selective serotonin reuptake inhibitor
Annual non-psychiatric hospital days includes those in Veterans Administration and Medicare data, odds ratio associated with an increase of one
COPD is chronic obstructive pulmonary disease. Annual COPD exacerbation reference is 0 exacerbations
Includes ICD-9 diagnoses for malnutrition and underweight
Medication use = two or more prescription dispensing during follow-up
Systemic corticosteroids included in a COPD exacerbation event were excluded from systemic steroid prescription count to avoid double counting