Table 2 Characteristics of invasive Staphylococcus aureus Infection after orthopedic surgical procedures
From: Staphylococcus aureus infections following knee and hip prosthesis insertion procedures
Prosthetic knee insertion | Prosthetic hip insertion | |
|---|---|---|
(N=8,446) | (N=5,273) | |
Rate of infection | ||
Proportion of procedures | 48/8,446 | 44/5,273 |
Infections per 100 procedures (95% CI) | 0.57 (0.43, 0.73) | 0.83 (0.61, 1.08) |
Type of infection, n (%) | ||
Surgical site infection (SSI) | 43 (90) | 31 (70) |
Bloodstream infection (BSI) | 4 ( 8) | 5 (11) |
BSI and SSI | 1 ( 2) | 8 (18) |
Time to onset of infection | ||
Median (IQR), days | 34.0 (18.5 - 65.5) | 26.0 (16.0 - 40.5) |
SSI, n (%) occurring within | ||
30 days | 20 (45) | 27 (69) |
60 days | 32 (73) | 35 (90) |
90 days | 36 (82) | 39 (100) |
120 days | 40 (91) | 39 (100) |
150 days | 40 (91) | 39 (100) |
180 days | 40 (91) | 39 (100) |
1 year | 44 (100) | 39 (100) |
MRSA infection | 21/47 (45) | 27/44 (61) |
Proportion (%) of S. aureus infections* | ||