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Ain-Shams Journal of Anesthesiology

Table 2 Differences in perfusion index between blocks with and without blocks

From: Perfusion index (PI) measured in the brachial plexus blocks performed by ultrasonography: investigation of correlation with block success

Perfusion index (PI)

 

Unblocked

Blocked

p value

PI before block

3.7 ± 2.4

3.3 ± 2.1

0.608

5th min PI

3.7 ± 2.7

7.3 ± 3.6

 < 0.001

10th min PI

3.6 ± 2.6

9.7 ± 3.4

 < 0.001

20th min PI

3.6 ± 2.7

10.9 ± 3.0

 < 0.001

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