Table 1.
Characteristic | All Patients (n = 110) |
Patients With Single Episode (n = 90) |
Patients With Multiple Episodes (n = 20) |
P Value |
---|---|---|---|---|
Age,a median (range), y | 74 (36–92) | 76 (36–92) | 66 (49–87) | .014 |
Sex, female | 54 (49) | 45 (50) | 9 (45) | .686 |
Patients with ≥1 previous revision | 65/109 (60) | 55/89 (62) | 10 (50) | .331 |
Patients with ≥1 previous septic revision | 47/108 (44) | 40/88 (46) | 7 (35) | .395 |
No. of previous surgeries, median (range) | 1 (0–10) | 1 (0–10) | 0.5 (0–7) | .322 |
Cemented prosthesis | 84 (76) | 70 (78) | 14 (70) | .459 |
Fever/rigors | 35/105 (33) | 32/87 (37) | 3/18 (17) | .099 |
Comorbidities | ||||
Chronic renal disease | 44/106 (42) | 36/86 (42) | 8 (40) | .879 |
Diabetes mellitus | 30 (27) | 26 (29) | 4 (20) | .581 |
Rheumatoid arthritis | 9 (8) | 6 (7) | 3 (15) | .360 |
Active or past malignancy | 26 (24) | 22 (24) | 4 (20) | .778 |
Liver cirrhosis | 1 (1) | 0 (0) | 1 (5) | .182 |
Chronic obstructive pulmonary disease | 6 (6) | 4 (4) | 2 (10) | .299 |
Presence of implantable intravascular device(s) | 24 (22) | 16 (18) | 8 (40) | .030 |
Data are No. (%) of episodes if not indicated otherwise.
Bold represent P values indicating statistical significance.
Abbreviation: PJI, periprosthetic joint infection.
If a patient was included more than once, the age at the time of the first episode was considered.