Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Patient demographics and clinical characteristics
|  | Successful treatment group (n = 103) | Early septic failure group (n = 48) | p value |
|---|---|---|---|
Age, mean ± standard deviation (SD) (years) | 73.15 ± 5.5 | 71.1 ± 7.8 | 0.067 |
Male | 17 (16.5%) | 16 (33.3%) | 0.02 |
BMI, mean ± SD (kg/m2) | 25.52 ± 3.9 | 25.76 ± 3.8 | 0.729 |
Duration primary to revision, mean ± SD (month) | 49.6 ± 58.3 | 37.0 ± 55.6 | 0.212 |
ESR, mean ± SD (mm/h) | 73.6 ± 33.3 | 78.0 ± 33.0 | 0.451 |
CRP, mean ± SD (mg/L) | 84.9 ± 102.1 | 59.8 ± 87.5 | 0.143 |
Synovial WBC, mean ± SD (cells/uL) | 44771 ± 49167 | 47606 ± 79018 | 0.819 |
Synovial PMNs, mean ± SD (%) | 83.9 ± 19.8 | 82.2 ± 21.2 | 0.700 |
Known disease | |||
Hypertension | 79 (76.7%) | 34 (70.8%) | 0.439 |
Coronary heart disease | 28 (27.2%) | 10 (20.8%) | 0.402 |
Diabetes mellitus | 31 (30.1%) | 16 (33.3%) | 0.689 |
Stroke | 10 (9.7%) | 5 (10.4%) | 0.892 |
Chronic kidney disease | 18 (17.5%) | 6 (12.5%) | 0.436 |
Intraoperative organism | |||
Single positive culture | 52 (50.5%) | 23 (47.9%) | Â |
Multiorganism positive culture | 12 (11.7%) | 11 (22.9%) | Â |
Negative | 39 (37.9%) | 14 (29.2%) | Â |
Fungal infection | 5 (4.9%) | 7 (14.6%) | 0.04 |
Mycobacterial infection | 1 (1%) | 5 (10.4%) | 0.006 |
Culture positive at reimplantation | 5 (4.9%) | 11 (22.9%) | 0.001 |
Radiologic septic loosening | 32 (37.2%) | 20 (47.6%) | 0.260 |
Sinus tract | 11 (10.7%) | 15 (34.9%) | 0.002 |