Table 3.
Association of variables with head penetration and penetration rate
| Variable | Penetration rate | Head penetration | |||
|---|---|---|---|---|---|
| Correlation | p Value | Value ≥ 0 mm | Value < 0 mm | p Value | |
| (n = 46) | (n = 48) | ||||
| Age at surgery (years) | −0.18 | 0.09 | 43.6 ± 7.9 | 46.5 ± 7.2 | 0.07 |
| Body Mass Index (kg/m2) | −0.05 | 0.61 | 27.7 ± 6.8 | 29.2 ± 5.0 | 0.25 |
| UCLA (at follow-up) | −0/06 | 0.58 | 5.35 ± 1.8 | 5.94 ± 2.3 | 0.18* |
| Anteversion | 0.003 | 0.97 | 15.8 ± 7.5 | 17.3 ± 6.3 | 0.31 |
| Inclination | 0.12 | 0.23 | 45.4 ± 7.3 | 46.7 ± 7.8 | 0.41 |
| Head size | |||||
| Value | −0.46 | < 0.0001 | 26.8 ± 1.2 | 28.0 ± 1.0 | < 0.0001* |
| Value ≤ 26 | |||||
| No (n = 64) | 0.06 ± 0.06 | < 0.0001* | 25 (54%) | 5 (10%) | |
| Yes (n = 30) | 0.15 ± 0.12 | 21 (46%) | 43 (90%) | < 0.0001 | |
* p-Value calculated using Wilcoxon's test.