Variables | Cell salvage reinfused group | Control group | P-Value | ||
---|---|---|---|---|---|
(n = 61) | (n = 64) | ||||
Gender, male n (%) | 32 (52.5) | 48 (75.0) | 0.221b | ||
Age at reimplantation (year) | 59.0 (49.5–70.0) | 56.0 (45.3–69.0) | 0.527a | ||
BMI (kg/m2) | 24.7 (21.9–26.5) | 24.1 (22.0–27.5) | 0.947a | ||
ASA classification, n (%) | Â | Â | 0.568b | ||
 I–II | 39 (63.9) | 45 (70.3) |  | ||
 III | 22 (36.1) | 19 (29.7) |  | ||
Charlson comorbidity index, n (%) | Â | Â | 0.342b | ||
 1–2 | 16 (26.2) | 22 (34.4) |  | ||
 3–5 | 27 (44.3) | 30 (46.9) |  | ||
 ≥ 6 | 18 (29.5) | 12 (18.8) |  | ||
Comorbidities, n (%) | |||||
 Diabetes mellitus | 7 (11.5) | 10 (15.6) | 0.605b | ||
 Inflammatory arthritis | 4 (6.6) | 6 (9.4) | 0.744b | ||
 Chronic hepatitis | 3 (4.9) | 5 (7.8) | 0.718b | ||
 Chronic anemia | 8 (13.1) | 11 (9.4) | 0.622b | ||
Tobacco use, n (%) | 19 (31.1) | 28 (43.8) | 0.196b | ||
Alcoholism, n (%) | 21 (34.4) | 25 (39.1) | 0.711b | ||
Resistant strain, n (%) | 6 (9.8) | 6 (9.4) | 1.000b | ||
Positive culture, n (%) | 16 (26.2) | 19 (29.7) | 0.695b | ||
McPherson host type, n (%) | Â | Â | 0.865b | ||
 A | 24 (39.3) | 27 (42.2) |  | ||
 B | 25 (41.0) | 27 (42.2) |  | ||
 C | 12 (19.7) | 10 (15.6) |  | ||
Components revised, n (%) | Â | Â | 0.380b | ||
 Acetabular component | 4 (6.6) | 2 (3.1) |  | ||
 Femoral component | 0 (0.0) | 2 (3.1) |  | ||
 Dual components | 57 (93.4) | 60 (93.8) |  | ||
Time of antibiotic administration (week) | |||||
Spacer stage duration (mo) | 6.0 (4.5–11.0) | 7.0 (5.0–11.8) | 0.630a | ||
Follow-up (mo) | 70.0 (54.5–94.0) | 75.0 (46.3–84.8) | 0.592a | ||
Failure after reimplantation, n (%) | 1 (1.6) | 3 (4.7) | 0.330c |