Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Incidence of malpositioned component ‘outliers’
| Factor | Acceptable range | Historical high volume surgeons control group outliers (without digital imaging), n (%) | Case group outliers (with digital imaging), n (%) | p-value* |
|---|---|---|---|---|
| Patients | n = 1292 | n = 50 | ||
| Acetabular inclination, ° | 30 to 55 | 96 (7) | 0 (0) | 0.023 |
| Acetabular anteversion, ° | 5 to 35 | 56 (4) | 0 (0) | 0.114 |
| At least one out of range (inclination or anteversion) | 161 (12) | 0 (0) | 0.001 |
