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Table 2 Multiple regression results—significant variables only

From: Comparison of patient outcomes in periarticular and intraarticular local anaesthetic infiltration techniques in total knee arthroplasty

Response variable Independent variables Coefficient p value
Sqrt (PCA) Age −0.089 0.0104
Oxford (post) 0.145 0.0057
Sqrt (total opioid analgesia [24 h]) Age −0.107 0.0038
Oxford (post) 0.163 0.0080
Sqrt (total opioid analgesia [admission]) Age −0.165 0.0001
Oxford (pre) 0.177 0.0092
Oxford (post) 0.160 0.0096