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Distribution of changes in PES scores from baseline to follow-up.
| Number of sites | Percentage | |
|---|---|---|
| Improved | 4 | 21.05% |
| Stable | 3 | 15.79% |
| Worsened | 12 | 63.16% |
Wilcoxon Signed Ranks Testshowed significant changes in PES scores from baseline to follow-up (p = 0.027).
