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Figure 1
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Postoperative pain intensity and knee flexion arc. (a) Visual analog scales (VAS) for pain intensity assessed at 6 h, 12 h, 24 h, 48 h, 72 h, and 96 h postoperative. (b) Knee flexion angle assessed at 24 h, 48 h, 72 h, and 96 h postoperative. PS = PS BTKA group, CR = CR BTKA group, 95 % CI = 95 % confidence interval.
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