Table 1 Patients demographics and surgical details
ciNPWT | Control | P-value | ||||
|---|---|---|---|---|---|---|
Number of patients | % | Number of patients | % | |||
Total Number of patients | 36 | 48 | ||||
Age at operations | Mean age | 69.4 | 70.9 | 0.557 | ||
Sex | Male | 20 | 55.6 | 17 | 35.4 | 0.066 |
Female | 16 | 44.4 | 31 | 64.6 | ||
Types of revision surgery | Hip | 12 | 33.3 | 26 | 54.2 | 0.058 |
Knee | 24 | 66.7 | 22 | 45.8 | ||
Indications | Infected | 23 | 63.9 | 20 | 41.7 | 0.083 |
Loosening | 5 | 13.9 | 17 | 35.4 | ||
PE wear/ failure | 1 | 2.8 | 4 | 8.3 | ||
Instability | 1 | 2.8 | 2 | 4.2 | ||
Wound drainage | 0 | 0 | 2 | 4.2 | ||
Fracture | 1 | 2.8 | 2 | 4.2 | ||
Dislocation | 4 | 11 | 1 | 2.1 | ||
Flexion contracture | 1 | 2.8 | 0 | 0 | ||
ASA Grade | ≤ 2 | 15 | 41.7 | 19 | 39.6 | 0.847 |
≥ 3 | 21 | 58.3 | 29 | 60.4 | ||
Anesthesia | General / General & regional | 27 | 75 | 39 | 81.3 | 0.490 |
Spinal / Combined spinal epidural | 9 | 25 | 9 | 18.8 | ||
Operation Duration (min) | Mean | 207.2 | 225.5 | 0.376 | ||
Haemoglobin | Per-operative mean | 11.5 | 11.9 | 0.322 | ||
Post-operative mean | 9.4 | 9.8 | 0.306 | |||
Transfusion | 11 | 30.6 | 11 | 22.9 | 0.431 | |
Albumin | Pre-operative mean | 38.31 | 39.83 | 0.243 | ||
Post-operative mean | 28.56 | 27.77 | 0.530 |