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Table 2 VAS for pain, comparison between the two groups

From: Safety and efficacy of addition of hyaluronidase to a mixture of lidocaine and bupivacaine in scalp nerves block in elective craniotomy operations; comparative study

VAS/Hour

LA group

H group

P value

VAS 0

5.19 ± 1.4

3.22 ± 1.24

<  0.001*

VAS 2

4.88 ± 1.07

3.31 ± 1.09

<  0.001*

VAS 4

4.88 ± 1.01

3.5 ± 0.62

<  0.001*

VAS 6

5.31 ± 0.9

3.75 ± 0.8

<  0.001*

VAS 8

6.34 ± 1.07

4.72 ± 0.89

<  0.001*

VAS 10

4.41 ± 1.04

4 ± 0.8

0.12

VAS 12

6.09 ± 0.89

6.44 ± 1.08

0.111

VAS 14

5.06 ± 0.8

4.72 ± 1.67

0.323

VAS 16

6 ± 0.8

5.81 ± 0.78

0.39

VAS 18

5.72 ± 0.96

5.81 ± 0.9

0.693

VAS 20

5.19 ± 0.82

5.59 ± 0.87

0.06

VAS 22

5.75 ± 0.88

5.75 ± 0.98

0.955

VAS 24

5.62 ± 0.94

5.53 ± 0.84

0.605

  1. (H) Meaning for the hyaluronidase group
  2. (LA) Meaning for the local anesthetics only group
  3. Values are represented as mean ± SD
  4. *Significant P value less than (0.05), comparison between the 2 groups