Table 5 Overview of primary hip and knee replacement surgeries at Year 2020
From: Long-term survivorship and results in lower limb arthroplasty: a registry-based comparison study
Joint | Knee | Hip | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Registry | CUHK-PWH | Sweden | UK | Australia | NZ | CUHK-PWH | Sweden | UK | Australia | NZ |
Total number of records | 2889 | 11,808 | 1.36 M* | 0.91 M# | 0.14 M@ | 879 | 12,049 | 1.25 M* | 0.74 M# | 0.16 M@ |
Age (Years) | ||||||||||
Mean (SD) | 67.5 (8.0) | 68.5 (9.10) | 68.9 (9.6) | 68.2 (9.5) | 68.2 (8.7) | 59.7 (13.2) | 68.3 (10.2) | - | 69.9 (12.6) | 67.2 (11.35) |
(Range) | (30 to 89) | (-) | (7 to 100) | (8 to 103) | (8 to 100) | (20 to 94) | (-) | (- to -) | (5 to 108) | (13 to 101) |
Median (IQR) | 68.0 (62–73) | - (-) | 70 (63–76) | 69 (-) | - (-) | 61 (51–69) | - (-) | 69 (61–76) | 71 (-) | - (-) |
Sex | ||||||||||
Male | 73.0% | 52.2% | 43.7% | 44.8% | 48.5% | 45.0% | 43.5% | 40.1% | 43.8% | 46.4% |
Female | 27.0% | 47.8% | 56.3% | 55.2% | 51.5% | 55.0% | 56.5% | 59.9% | 56.2% | 53.6% |
Joint replacement surgeries | ||||||||||
Knee | ||||||||||
TKR | 97.5% | 87.5% | 87.9% | 84.4%a | 89.6% | 25.4% (All cemented) | 50.0% (All cemented) | 31.3% (All cemented) | 83.8%2 (All Total) | 98.6% (All Total) |
UKR | 2.5% | 12.5% | 10.4% | 12.9%a# | 10.4% | 50.7% (All uncemented) | 32.5% All uncemented) | 37.2% (All uncemented) | 16.2%2 (All Partial) | 1.4% (Resurfacing) |
11.0% (All hybrid) | 8.0% (All hybrid) | 22.7% (All hybrid) | 0.1% (Hemiarthroplasty) | |||||||
12.9% (Others) | 9.5% (Others) | 8.8% (Others) | ||||||||
TKR | ||||||||||
Cemented TKR | 100.0% | 91.0% | 83.7% | 66.7% | 87.0%b | 39.1% (Cemented) | 5.0% (Cemented) | |||
Uncemented TKR or Hybrid TKR | < 0.1% | 9.0% | 16.3% | 33.4% | 13.0%b | 60.9% (Cementless) | 50.0% (Cementless) | |||
UKR | 45.0% (Hybrid) | |||||||||
Cemented unicondylar | 100.0% | 40.4% | 58.7% | - | 58.8% | |||||
Uncemented/hybrid unicondylar | < 0.1% | 59.6% | 41.3% | - | 41.2% | |||||