Table 4

Comparison of risk factors for revision for all endpoints addressed by at least three studies
Risk factor Studies reporting on a risk factor for each endpoint: total number, number reporting a statistically significant (p≤.05) increased (+) or decreased () risk of revision, and number with no significant association (p>.05)
Revision (any) Aseptic loosening Infection Dislocation
N p≤.05 p>.05 N p≤.05 p>.05 N p≤.05 p>.05 N p≤.05 p>.05
+ + + +
Demographic and Clinical Factors
Young age 26: 15 2 9 12: 8 0 4 5: 0 0 5 4: 0 2 2
Male sex 18: 7 1 10 10: 5 1 4 6: 5 0 1
Higher BMI/weight 5: 0 0 5
Higher Charlson score 5: 5 0 0
Underlying Diagnosis
RA (vs. OA) 9: 3 0 6 3: 0 1 2 6: 1 0 5 3: 1 0 2
AVN (vs. OA) 8: 5 1 2 3: 1 0 2
RA (vs. AVN) 4: 0 0 4 3: 0 0 3
DDH (vs. RA) 3: 0 3
Surgical and Implant-Related Factors
Uncemented (vs. cem) 10: 5 2 3 6: 3 3 0 4: 0 1 3
Hybrid (vs. cem) 4: 2 0 2
Hybrid (vs. uncem) 4: 1 2 1
Larger femoral head 3: 2 0 1 3: 0 3 0
Uncem (vs. cem AL)* 3: 1 0 2
Cem NA (vs. uncem) 3: 3 0 0
Cem NA (vs. cem AL) 3: 3 0 0
Longer operating time 4: 3 0 1
Posterior surgical approach (vs. lateral) 3: 2 0 1
Health Care Provider-Related Factors
Lower hospital volume 6: 1 0 5
Lower surgeon volume 4: 3 0 1

* Cem AL = antibiotic-loaded cement.

Cem NA = cement not containing antibiotics.

Prokopetz et al.

Prokopetz et al. BMC Musculoskeletal Disorders 2012 13:251   doi:10.1186/1471-2474-13-251

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