Research Article
Comparison of the Effect of Different Local Analgesia Administration Techniques in Total Hip Arthroplasty: A Retrospective Comparative Cohort Study
Figure 1
Comparison of NRS scores among the three groups (a) and within each group (b). Significant differences between the control and PAI groups are marked as . Significant differences between the control and IAI groups are marked as †. Significant differences between the PAI and IAI groups are marked as §. Significant differences in perioperative data within the control group are marked as ¶. Significant differences in perioperative data within the PAI group are marked as ‡. Significant differences in perioperative data within the IAI group are marked as ||. PAI, periarticular injection; IAI, intra-articular injection; NRS, numeric rating scale.
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