Fig. 1.
Fig. 2.
Fig. 3.
Characteristics of the sample before the surgery (baseline) and at the mean follow-up of 9_95 years
| Total N = 39 Mean (range) | Mean difference Δ (p Value) (Baseline vs Follow/up) | Male (M): N = 7 Mean (range) | Female (F): N = 32 Mean (range) | Mean difference Δ (p Value) (Male vs Female) | ||
|---|---|---|---|---|---|---|
| Baseline | Mean Follow/up | Mean Follow/up | Mean Follow/up | |||
| Age | 72.0 (56–87) | 81.2 (62–95) | + 9.14 (p < 0.01) | 82.7 (75–91) | 80.6 (62–95) | +2.13 (p = 0.5) ns |
| BMI | 30.2 (21–37) | 29.9 (21–44) | –0.26 (p = 0.5) ns | 30.0 (27–36) | 29.9 (21–44) | +0.08 (p = 0.8) ns |
| IKS | 78.6 (15–155) | 145.2 (58–200) | +65.3 (p < 0.01) | 170.7 (88–200) | 138.4 (58–189) | +32.4 (p < 0.01) |
| KS | 40.5 (0–95) | 85.7 (50–100) | +45.4 (p < 0.01) | 92.2 (53–100) | 83.9 (50–100) | +8.3 (p < 0.01) |
| FS | 38.9 (0–75) | 60.9 (0–100) | +20.5 (p < 0.01) | 78.5 (35–100) | 56.1 (0–100) | +22.4 (p = 0.05) |
Arthroplasty evaluated for each year of follow-up
| Follow-up | Prostheses | ||
|---|---|---|---|
| Total | Evaluated | Percentage | |
| Mean (9.95 years) | 47 | 47 | 100 % |
| Year 6 | 47 | 43 | 91.5% |
| Year 7 | 47 | 45 | 95.7% |
| Year 8 | 47 | 43 | 91.5% |
| Year 9 | 47 | 32 | 68.1% |
| Year 10 | 47 | 25 | 53.2% |
| Year 11 | 47 | 23 | 48.9% |
| Year 12 | 47 | 15 | 31.9% |
| Year 13 | 47 | 6 | 12.8% |