Table 3. Comparisons of radiological evaluation surgical site outlines over time intervals by Wilcoxon matched pairs test.
| Elapsed time (wk) | Mean | SD | Median | Mean diff. | % of change | Z-value | P-value |
|---|---|---|---|---|---|---|---|
| 1 | 0.00 | 0.00 | 0.00 | ||||
| 4 | 1.40 | 0.50 | 1.00 | −1.40 | 100.00 | 3.9199 | 0.0001* |
| 4 | 1.40 | 0.50 | 1.00 | ||||
| 8 | 3.25 | 0.44 | 3.00 | −1.85 | −132.14 | 3.9199 | 0.0001* |
| 8 | 3.25 | 0.44 | 3.00 | ||||
| 12 | 3.95 | 0.22 | 4.00 | −0.70 | −21.54 | 3.2958 | 0.0010* |
| 12 | 3.95 | 0.22 | 4.00 | ||||
| 24 | 4.00 | 0.00 | 4.00 | −0.05 | −1.27 | 3.9199 | 0.0001* |
(SD: standard deviation, diff.: difference)
*Statistically significant difference (P<0.05).