Table 1.
Characteristics of cases
| Characteristic | Value |
Pd | ||
|---|---|---|---|---|
| All cases (n = 75) | GSSE cases (n = 37) | GRSE cases (n = 38) | ||
| Median (IQR) age, in yrs | 55 (39.5–72.5) | 49 (39–66) | 60.5 (42–74.5) | 0.122 |
| Sex ratio, male to female (95% confidence interval) | 2.6 (1.6–4.6) | 2.7 (1.4–6.9) | 2.5 (1.3–5.9) | 1 |
| Prosthesis-associated BJI | 42 (56.0)a | 22 (59.5) | 20 (52.6) | 0.644 |
| No. of cases (%) with coinfection with other species | 20 (26.7) | 9 (24.3) | 11 (28.9) | 0.795 |
| Median (IQR) time since the first procedure, in mob | 24 (6–72) | 24 (2.5–52) | 17 (6.25–150) | 0.641 |
| (n = 71) | (n = 35) | (n = 36) | ||
| Median (IQR) no. of previous proceduresb,c | 2 (1–3) | 2 (1–3) | 2 (1–3.75) | 0.734 |
a
Twenty-nine hip and 13 knee implants; other BJIs: fracture nonunions (n = 2), contiguous osteitis (n = 31).
b
At the same location.
c
Including the first procedure.
d
GRSE compared to GSSE cases.