Quantitative data for patients who developed an infection (n = 28).
| Variable | Mean ± SD or Median (Interquartile Range) | Minimum, Maximum |
| Age, y | 75.1 ± 6.58 | 60.0, 85.0 |
| Length of procedure, min | 236 (82.0) | 143, 760 |
| Blood loss, g/dL | 3.12 ± 1.11 | 1.40, 5.60 |
| Charlson Comorbidity Index | 4.46 ± 1.20 | 2.00, 7.00 |
| Body mass index, kg/m2 | 29.9 ± 3.95 | 23.4, 37.7 |
| Serum albumin levels, g/dL | 4.21 ± 0.38 | 3.20, 4.80 |
| Time elapsed between the initial operation and infection occurrence, d | 14.0 (8.00) | 7.00, 74.0 |
| C-reactive protein level at admission, mg/dL | 19.0 ± 13.3 | 0.80, 48.0 |
| Duration of empirical antibiotic therapy, d | 5.00 (2.50) | 2.00, 15.0 |
| Duration of targeted antibiotic therapy, d | 70.0 (35.5) | 27.0, 270 |
| Total duration of antibiotic therapy, d | 75.0 (38.5) | 34.0, 284 |