Table 2.
Patient characteristics and most common reasons for 30-day readmission
| Patient characteristics | Patients N = 112 017 |
|
|---|---|---|
| N/mean | %/SD | |
| Readmission 30 days after discharge | 6322 | 5.64 |
| Readmission 10 days after discharge | 3505 | 3.13 |
| Age (years), (mean, SD) | 75.48 | 5.90 |
| Sex | ||
| Male | 40 855 | 36.47 |
| Female | 71 163 | 63.53 |
| Type of procedure | ||
| Total hip replacement | 33 155 | 29.60 |
| Total knee replacement | 78 862 | 70.40 |
| No. of procedures | ||
| 1 | 106 615 | 95.18 |
| 2 | 5402 | 4.82 |
| No. of comorbidities, (mean, SD) | 1.77 | 1.28 |
| Most common reasons for 30-day readmission | ||
| Postoperative infection | 358 | 5.66 |
| Packed cell transfusion | 347 | 5.49 |
| Osteoarthritis | 256 | 4.05 |
| Atrial fibrillation | 237 | 3.75 |
| Venous catheterization | 198 | 3.13 |
| Infection due to joint prosthesis | 191 | 3.02 |
| EGD with closed biopsy | 185 | 2.93 |
| Intestinal infection due to C. diff | 169 | 2.67 |
| Arthrocentesis | 147 | 2.33 |
| Congestive heart failure | 147 | 2.33 |
Percentages may not sum to 100% due to rounding. C. diff, Clostridium difficile; EGD, esophagogastroduodenoscopy.