Table 5.
Means and Standard Deviations for Tibiotalar and Talofibular Coverage Measured as a Percentage of Total Area Covered in Each Region, and Mean Difference in Coverage from Control to Progressive Collapsing Foot Deformity Patients with P Values and 95% Confidence Intervals for Comparisons.
| Control (%) | PCFD (%) | MD (%) | P value | 95% CI | |||||
|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||||||
| Talar gutter coverage | |||||||||
| Medial | Anterior | 59.2 | 20.6 | 39.6 | 19.6 | − 33.0 | 0.006 | 6.0 | 33.0 |
| Posterior | 75.8 | 14.1 | 81.8 | 14.5 | 8.0 | 0.117 | − 15.6 | 3.5 | |
| Lateral | Anterior | 67.4 | 18.0 | 40.4 | 28.4 | − 40.1 | 0.013 | 11.4 | 42.6 |
| Posterior | 97.4 | 3.4 | 92.7 | 8.8 | − 4.8 | 0.097 | 0.4 | 9.0 | |
| Tibiotalar coverage | |||||||||
| Anterior | Medial | 59.2 | 21.1 | 40.0 | 21.2 | − 32.3 | 0.010 | 5.0 | 33.3 |
| Middle | 67.5 | 20.8 | 52.8 | 23.5 | − 21.8 | 0.051 | − 0.1 | 29.5 | |
| Lateral | 68.1 | 19.9 | 50.9 | 23.2 | − 25.2 | 0.021 | 2.7 | 31.5 | |
| Middle | Medial | 74.9 | 15.4 | 84.6 | 10.5 | 13.1 | 0.034 | − 18.7 | − 0.8 |
| Middle | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | – | 0 | 0 | |
| Lateral | 93.9 | 5.4 | 95.6 | 3.7 | 1.8 | 0.532 | − 4.8 | 1.4 | |
| Posterior | Medial | 48.5 | 21.3 | 68.6 | 23.1 | 41.5 | 0.009 | − 34.9 | − 5.3 |
| Middle | 58.7 | 17.8 | 77.9 | 20.0 | 32.7 | 0.009 | − 31.8 | − 6.6 | |
| Lateral | 55.7 | 23.0 | 72.0 | 21.0 | 29.3 | 0.032 | − 31.1 | − 1.5 | |
Bolded rows denote significant changes within the region.
PCFD progressive collapsing foot deformity, MD mean difference, SD standard deviation, CI confidence interval.
*Statistically significant (p < .05).