Table 2 Number of studies reporting on associations between potential risk factors and revision of primary THA
From: Risk factors for revision of primary total hip arthroplasty: a systematic review
Specific endpoint | Revision (any) | Aseptic loosening | Infection | Dislocation | ||||
|---|---|---|---|---|---|---|---|---|
Total for each endpoint* | 65 | 30 | 19 | 12 | ||||
Risk Factor | N^ (%)+ | N (%) | N (%) | N (%) | ||||
| Â | Demographic Factors | |||||||
Age | 26 | (40%) | 12 | (40%) | 5 | (26%) | 4 | (33%) |
Sex | 18 | (28%) | 10 | (33%) | 6 | (32%) | 2 | (17%) |
BMI/body weight | 5 | (8%) | 2 | (7%) | 2 | (11%) | 1 | (8%) |
Race | 1 | (2%) | — | 1 | (5%) | — | ||
Socioeconomic status | 1 | (2%) | — | 1 | (5%) | — | ||
Tobacco use | — | 1 | (3%) | — | — | |||
Alcohol use | — | — | 1 | (5%) | — | |||
Preparation of living aids | — | 1 | (3%) | — | — | |||
| Â | Clinical Factors | |||||||
Underlying diagnosis | 21 | (32%) | 8 | (27%) | 6 | (32%) | 3 | (25%) |
Comorbidity (Charlson) | 5 | (8%) | — | 2 | (11%) | — | ||
Diabetes | 1 | (2%) | 1 | (3%) | 2 | (11%) | 1 | (8%) |
Medication use | 3 | (5%) | 4 | (13%) | 3 | (16%) | 3 | (25%) |
Bilateral vs. unilateral THA | 3 | (5%) | — | — | — | |||
Genetic predisposition | — | 1 | (3%) | 2 | (11%) | — | ||
Prior hip surgery | 1 | (2%) | 1 | (3%) | 1 | (5%) | — | |
Post-THA childbirth | 1 | (2%) | — | — | — | |||
| Â | Surgical and Implant-Related Factors | |||||||
Fixation | 11 | (17%) | 6 | (20%) | 6 | (32%) | 2 | (17%) |
Femoral head size | 3 | (5%) | 2 | (7%) | — | 3 | (25%) | |
Bearing | 1 | (2%) | 1 | (3%) | — | 1 | (8%) | |
Coating | 1 | (2%) | 1 | (3%) | — | — | ||
Femoral head material | 1 | (2%) | — | — | — | |||
Other design-related factors | 1 | (2%) | 2 | (7%) | 1 | (5%) | — | |
Operating time | 2 | (3%) | 1 | (3%) | 4 | (21%) | 2 | (17%) |
Surgical approach | 1 | (2%) | 1 | (3%) | 1 | (5%) | 3 | (25%) |
Ventilation | 1 | (2%) | — | 2 | (11%) | — | ||
Anesthesia | — | — | 2 | (11%) | — | |||
Infection prophylaxis | 1 | (2%) | 1 | (3%) | 1 | (5%) | — | |
Fixation technique | 1 | (2%) | 1 | (3%) | — | — | ||
Units blood transfused | — | — | 1 | (5%) | — | |||
| Â | Health Care Provider-Related Factors | |||||||
Hospital volume | 6 | (9%) | 1 | (3%) | — | — | ||
Hospital teaching status | 2 | (3%) | — | 1 | (5%) | — | ||
Rural vs. urban hospital | — | — | 1 | (5%) | — | |||
Surgeon volume | 4 | (6%) | — | — | — | |||
Surgeon experience | 2 | (3%) | — | — | — | |||