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Table 5 Correlation between Craniocaudal dye spread and VAS in each intervention group

From: Analgesia and spread of erector spinae plane block in breast cancer surgeries: a randomized controlled trial

VAS

Craniocaudal dye spread

Standard volume group (n = 20)

High volume group (n = 20)

R

p

R

p

1 hr

−0.493

0.027*

−0.167

0.481

2 hrs.

−0.173

0.465

−0.015

0.949

3 hrs.

−0.009

0.969

0.162

0.496

4 hrs.

0.034

0.887

0.299

0.200

8 hrs.

0.038

0.873

−0.034

0.888

12 hrs.

−0.112

0.638

−0.338

0.145

16 hrs.

−0.328

0.158

−0.329

0.157

20 hrs.

0.002

0.994

−0.208

0.379

24 hrs.

0.002

0.993

−0.291

0.213

  1. r: Pearson coefficient
  2. *: Statistically significant at p ≤ 0.05
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BMC Anesthesiology

ISSN: 1471-2253

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