Table 3.
Means and Standard Deviations for Syndesmotic Distances Measured in Millimeters, and Mean Difference in Distances from Control to Progressive Collapsing Foot Deformity Patients with P Values and 95% Confidence Intervals for Comparisons.
| Control (mm) | PCFD (mm) | Mean difference (%) | P value | 95% CI | ||||
|---|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | |||||
| Syndesmosis | ||||||||
| 1 cm | 4.78 | 0.55 | 3.96 | 0.63 | − 17.1 | 0.002 | 0.27 | 1.04 |
| 3 cm | 5.77 | 0.68 | 5.00 | 0.84 | − 13.3 | 0.058 | − 0.02 | 1.00 |
| 5 cm | 8.20 | 1.01 | 6.94 | 0.96 | − 15.4 | 0.037 | 0.05 | 1.50 |
| 10 cm | 13.43 | 2.05 | 10.87 | 1.39 | − 19.1 | 0.013 | 0.36 | 2.85 |
| Anterior incisura | ||||||||
| 1 cm | 4.35 | 0.75 | 3.67 | 0.74 | − 15.7 | 0.009 | 0.18 | 1.18 |
| 3 cm | 4.99 | 0.81 | 4.46 | 0.88 | − 10.8 | 0.061 | − 0.03 | 1.10 |
| 5 cm | 6.91 | 1.48 | 6.01 | 1.00 | − 13.0 | 0.057 | 0.04 | 1.75 |
| 10 cm | 11.52 | 2.49 | 9.72 | 1.43 | − 15.6 | 0.017 | 0.41 | 3.19 |
| Posterior incisura | ||||||||
| 1 cm | 5.05 | 0.80 | 4.36 | 0.72 | − 13.7 | 0.010 | 0.18 | 1.20 |
| 3 cm | 6.19 | 0.96 | 5.70 | 0.94 | − 7.8 | 0.132 | − 0.15 | 1.12 |
| 5 cm | 8.73 | 1.52 | 8.03 | 1.12 | − 8.1 | 0.122 | − 0.20 | 1.61 |
| 10 cm | 13.60 | 2.40 | 12.14 | 1.69 | − 10.7 | 0.043 | 0.05 | 2.86 |
Bolded rows denote significant changes within the region.
PCFD progressive collapsing foot deformity, MD mean difference, SD standard deviation, cm centimeter, mm millimeter, CI confidence interval.
*Statistically significant (p < .05).