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Comparison of the NRS pain score at rest (A) and with movement (B), and the NRS of subjective sleep quality (C) between groups. The box and whiskers plots show medians, interquartile ranges and outer ranges, and individual points mean mild outliers (○, which are outside 1.5 times of interquartile range) and extreme outliers (▽, which are outside 3 times of interquartile range). NRS, numeric rating scale. DEX, dexmedetomidine
