Table 1.
Characteristics of the patients
| Characteristics | Information |
|---|---|
| Age, years | 20.0 ± 8.4 |
| Gender, N (%) | |
| Male | 37 (69.8) |
| Female | 16 (30.2) |
| Tumor site, N (%) | |
| P. Femur | 2 (3.8) |
| D. Femur | 27 (50.9) |
| P. Tibia | 24 (45.3) |
| Initial surgery | |
| Blood loss, mean ± sd (range) mL | 497.8 ± 477.5 (100–2800) |
| Operation time, mean ± sd (range) hours | 4.8 ± 2.03 (1.5–12) |
| Time to infection post-op, mean ± sd (range) months | 20.1 ± 29.3 (1–121) |
| Interval between spacer insertion and second revision, mean ± sd (range) months | 6.9 ± 5.3 (4–18) |
| Pre- and post-operation chemotherapy, N (%) | 53 (100) |
| Infectious manifestation, N (%) | |
| Fever | 15 (28.3) |
| Localized redness, swelling, heat and pain | 28 (52.8) |
| Malodorous drainage | 26 (49.1) |
| Germiculture, N (%) | |
| Staphylococcus aureus | 5 (9.4) |
| Staphylococcus epidermidis | 3 (5.7) |
| Escherichia coli | 1 (1.9) |
| Stenotrophomonas maltophilia | 1 (1.9) |
| Pseudomonas aeruginosa | 1 (1.9) |
| None | 38 (79.2) |
P. Femur proximal femur, D. Femur distal femur, P. Tibia proximal tibia