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Table 4 Correlations between blockade levels and NRS with patient satisfaction at three months after the injection

From: Comparison of different volumes spread of erector spinae block in postmastectomy pain syndrome management: a prospective randomized comparative study

 

NRS

Patient satisfaction

 

R

P

r

P

Number of blocked levels

-0.573

< 0.001

0.196

0.172

C8 to T6 levels block

-0.516

< 0.001

0.179

0.214

T1 to T6 levels block

-0.690

< 0.001

0.356

0.011

T2 to T6 levels block

-0.430

0.002

0.127

0.381

  1. NRS numerical rating scale
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BMC Anesthesiology

ISSN: 1471-2253

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