From: Transversus abdominis plane block with different bupivacaine concentrations in children undergoing unilateral inguinal hernia repair: a single-blind randomized clinical trial
FLACC score
Group 1 (n = 30)
Group 2 (n = 34)
p-value
15’
2 (0–7)
1 (0–6)
0.4
30’
0.9
45’
0 (0–5)
0.6
1 h
0 (0–6)
0 (0–4)
0.3
2 h
0 (0–1)
0 (0–3)
0.5
6 h
0.07
24 h
0 (0–2)