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Numeric pain scale scores over 1 year after CTR-US and mOCTR. Plotted values are baseline-adjusted least squares mean change and 95% confidence interval. At 1 year, the mean change was −3.9 for CTR-US and −3.8 for mOCTR, both statistically significant (P < 0.001) compared with baseline. There was no statistical difference between groups (P = 0.74).
