Patient characteristics of studies included for review.
| Study | No. Patients/No. Joints | Single vs Multicenter | Age, yrs | Female, % | Caucasian, % | BMI, kg/m2 | Followup | Comments |
|---|---|---|---|---|---|---|---|---|
| Sadr Azodi45 | 3309 pts THA | Swedish inpatient register | 66 | 0 (all men) | — | 26 | During post-op hospitalization period | |
| Lavernia46 | 203 pts: 203 THA or TKA (primary or revision) | Single | 66 | 62 | — | — | Hospital stay | |
| Fisher47 | 71 pts: 71 TKA (148 controls) | Single | 64 | — | — | 34 | 1 yr | |
| Moller48 | 811 pts: 811 THA or TKA | Multicenter | 71 | — | ||||
| Espehaug49 | 674 primary THA, 1343 controls | Norwegian register-based | 67 | 57 | — | — | Unclear | |
| Sadr Azodi50 | 2106 THA | Swedish inpatient register | 55% ≥ 65 yrs | 0 (all men) | — | 30% ≥ 30 kg/m2 | Up to 8 yrs or 2004 | |
| Meldrum51 | 147 pts: 165 THA | Single | 61 | 54 | — | 28 | Unclear | |
| Bischoff-Ferrari52 | THA: 922 pts | Medicare, multiple centers | 73 | 60 | 97 | 25% > 30 kg/m2 | Unclear | |
| Anderson53 | 101 pts: 101 THA | Single | 85% > 50 yrs | 58 | — | — | Unclear | |
| Beksac54 | 1947 pts: 2032 THA | Single | — | — | — | — | ≥ 3 mo | |
| Sharrock55 | 448 pts: 448 TKA | Single | 68 | — | — | — | Hospital stay | |
| Horne56 | 40 pts: 40 TKA(352 controls) | Single | — | — | — | — | Unclear, ? 6 mo | |
| Malinzak57 | 17,561 pts: 17,561 THA or TKA | Single | — | — | — | — | Unclear | |
| Cates58 | 37 pts: 37 TKA | Single | — | — | — | — | 1 yr | |
| Grosflam59 | 295 pts: 295 THA | Single | 64 | 63 | 97 | — | Hospital stay | |
| Inoue60 | 130 pts: 151 THA | Single | 62 | 85 | — | — | 2 yrs | |
| Nixon61 | 127 pts: 127 THA | Single | 69 | 64 | 99 | — | 8 yrs | 78 cases, 49 controls |
| Khan62 | 1767 pts: 1767 THA | Single | 69 | 64 | — | — | 5 yrs | |
| Malik63 | 224 pts: 224 THA | Single | 69 | 58 | — | — | 6 yrs | 143 controls |
| Peersman64 | 6120 pts: 6489 TKA | Single | — | — | — | — | Unclear, ? ≥ 3 mo | 113 pts with 113 infected TKA, 226 controls |