Characteristics | Income Quintile | P-value | ||||
---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | ||
N = 15057 | N = 14655 | N = 12268 | N = 10310 | N = 8167 | ||
Neighborhood Income ($) | 0.0039 | |||||
Median | 16433 | 18572 | 20256 | 22982 | 26786 | |
Interquartile Range | 15408–16988 | 18056–19201 | 20043–21020 | 22186–24258 | 25899–29710 | |
Mean Age (yr) | 78.03+/- 7.65 | 77.94+/- 7.55 | 78.07+/- 7.59 | 78.29+/- 7.58 | 78.51+/- 7.72 | 0.0370 |
Female sex (%) | 47.23 | 48.29 | 47.21 | 49.20 | 49.44 | 0.0007 |
Comorbid conditions (%) | ||||||
Chronic Lung Disease | 6.91 | 7.55 | 6.33 | 7.59 | 6.61 | 0.5382 |
Congestive Heart Failure | 4.30 | 4.79 | 4.73 | 4.76 | 3.87 | 0.4348 |
Ischemic Heart Disease | 11.60 | 12.90 | 14.11 | 14.31 | 13.22 | <0.0001 |
Peripheral Vascular Disease | 1.34 | 1.30 | 1.36 | 1.26 | 1.04 | 0.1003 |
Chronic Renal Failure | 0.90 | 0.87 | 1.04 | 1.09 | 0.73 | 0.9210 |
Diabetes | 6.97 | 8.02 | 7.44 | 7.38 | 6.09 | 0.0199 |
Cancer | 2.89 | 3.43 | 3.73 | 3.77 | 4.04 | <0.0001 |
Charlson score > 1 (%) | 28.76 | 28.98 | 30.91 | 31.74 | 31.50 | <0.0001 |
Specialty of Attending Physician (%): | <0.0001 | |||||
General Practice | 54.78 | 62.27 | 56.26 | 43.96 | 42.07 | |
Internal Medicine | 26.69 | 23.82 | 26.18 | 34.24 | 35.14 | |
Respirology | 6.16 | 5.43 | 5.98 | 7.19 | 8.90 | |
Other | 12.37 | 8.47 | 11.57 | 14.62 | 13.89 | |
Teaching Hospital (%) | 17.63 | 11.31 | 17.12 | 23.66 | 23.58 | <0.0001 |