Patient characteristics at the intervention ite
| Characteristics | Pre (n=517) | Post (n=446) | P |
| Age, mean (SD) | 64.8 (16.8) | 63.2 (15.7) | 0.149 |
| Female | 315 (60.9) | 213 (47.8) | <0.001 |
| Race | 0.326 | ||
| White | 385 (74.6) | 322 (72.2) | |
| African–American | 122 (23.6) | 110 (24.7) | |
| Other | 9 (1.7) | 14 (3.1) | |
| Non-Hispanic | 502 (97.3) | 434 (97.3) | 0.983 |
| Body mass index, mean (SD) | 31.0 (11.2) | 31.0 (10.2) | 0.974 |
| Charlson Comorbidity Index, mean (SD) | 3.05 (2.4) | 4.18 (2.8) | <0.001 |
| Comorbidities | |||
| AIDS/HIV | 2 (0.4) | 10 (2.2) | 0.010 |
| Cerebrovascular disease | 102 (19.7) | 83 (18.6) | 0.660 |
| Coagulopathy | 7 (1.4) | 14 (3.1) | 0.059 |
| Dementia | 56 (10.8) | 41 (9.2) | 0.399 |
| Diabetes, complicated and uncomplicated | 224 (43.3) | 185 (41.5) | 0.563 |
| Hyperlipidaemia | 108 (20.9) | 108 (24.2) | 0.217 |
| Hypertension | 393 (76.0) | 318 (71.3) | 0.097 |
| Mild liver disease | 30 (5.8) | 42 (9.4) | 0.033 |
| Moderate/severe liver disease | 10 (1.9) | 16 (3.6) | 0.114 |
| Moderate/severe chronic kidney disease | 135 (26.1) | 177 (39.7) | <0.001 |
| Peptic ulcer disease | 10 (1.9) | 19 (4.3) | 0.035 |
| Peripheral vascular disease | 59 (11.4) | 55 (12.3) | 0.660 |
| History of chronic obstructive pulmonary disease | 182 (35.2) | 196 (44.0) | 0.006 |
| History of congestive heart failure | 179 (34.6) | 177 (39.7) | 0.105 |
| History of rheumatoid arthritis | 23 (4.5) | 29 (6.5) | 0.160 |
| Length of stay in days, median (IQR) | 11 (7–18) | 12 (8–20) | 0.015 |
| Payer | 0.024 | ||
| Medicare | 320 (62.9) | 235 (53.2) | |
| Medicaid | 81 (15.9) | 91 (20.6) | |
| Other | 103 (20.2) | 112 (25.3) | |
| No insurance | 5 (1.0) | 4 (0.90) |