Group

Block duration (min)

Lidocaine 1.5% with adrenaline

n = 19

Ropivacaine

n = 19

p-value

Mean duration

233.3 ± 57.5

260.4 ± 74.8

0.21

Median

225 (198 - 280)

255 (210 - 325)

Extremes

95 - 198

342 - 580