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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