From: Analgesia and spread of erector spinae plane block in breast cancer surgeries: a randomized controlled trial
Dermatomal level (dermatomes)
Standard volume (n = 20)
High volume (n = 20)
t
P
Mean ± SD.
5.75 ± 1.37
7.20 ± 2.12
2.570*
0.014*
Median (Min. – Max.)
6.0 (3.0 – 8.0)
7.0 (4.0 – 13.0)