Table 1 Patient characteristics, PJI rate and treatment across 3 regions
Australia | Europe | US | Total | |
|---|---|---|---|---|
Hospitals | ||||
Number of hospitals | 4 | 11 | 7 | 22 |
Arthroplasties | ||||
Number of arthroplasties | 3705 | 26993 | 10699 | 41397 |
% Hip | 47% | 50% | 46% | 49% |
Patient characteristics at primary arthroplasty | ||||
Average age | 68.4 | 68.2 | 62.3 | 66.7 |
Median age | 70 | 69 | 63 | 68 |
% Females | 62% | 61% | 60% | 61% |
% with 1 or more comorbidities | 42% | 56% | 80% | 61% |
Average number of comorbidities | 0.8 | 0.9 | 1.7 | 1.1 |
Median number of comorbidities | 0 | 1 | 2 | 1 |
Length of stay (LOS) of primary arthroplasty admission | ||||
Average LOS in arthroplasty spell | 12.4 | 7.7 | 3.3 | 7.0 |
Median LOS in arthroplasty spell | 7 | 6 | 3 | 5 |
% patients in upper quartile LOS | 46% | 33% | 2% | 26% |
Prosthetic joint infections (PJI) | ||||
PJI rate within 2 years | 1.7% | 1.4% | 1.5% | 1.4% |
Treatment of prosthetic joint infection within 2.5 years | ||||
Average number of procedures | 0.9 | 1.3 | 1.6 | 1.4 |
Median number of procedures | 1 | 1 | 1 | 1 |