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Table 2 Results of multivariate logistic regression analysis for rebound pain

From: The effect of perineural dexamethasone on rebound pain after ropivacaine single-injection nerve block: a randomized controlled trial

  OR 95%CI p value
Group
 Control 1   
 Dexamethasone 0.062 0.015–0.256 0.000
Fracture location
 Clavicle 1   
 Proximal humerus 2.060 0.404–10.518 0.385
 Elbow joint 3.245 0.054–194.966 0.573
 Wrist joint 0.364 0.004–35.899 0.666
 Metacarpal 0.510 0.004–60.558 0.783
 Phalange 1.468 0.007–312.562 0.888
Block approach
 Combined 1   
 Single 0.467 0.043–5.101 0.533
Brachial nerve block approach
 Interscalene approach 1   
 Supraclavicular approach 0.324 0.025–4.123 0.385
 Axillary approach 0.288 0.021–3.911 0.350
Usage of tourniquet
 Y 1   
 N 18.423 0.584–581.288 0.098
Preoperative motion NRS
 Pain free (NRS = 0) 1   
 Mild pain (NRS 1–3) 3.653 0.268–49.834 0.331
 Moderate pain (NRS 4–6) 10.574 0.852–131.189 0.066
 Severe pain (NRS 7–10) 6.399 0.508–80.647 0.151
Preoperatibe sleep quality score
 0 1   
 1 0.447 0.099–2.006 0.293
 2 1.774 0.454–6.933 0.410
 3 0.224 0.019–2.615 0.233
 4 12.147 0.923–159.781 0.058
 5 1.239 0.055–27.847 0.893
 6 1.137 0.081–16.050 0.924