Rhomboid intercostal block versus serratus block for postoperative analgesia after thoracoscopic sympathectomy for primary palmar hyperhidrosis: a randomized controlled trial

Table 2 Visual analog scale changes in the three study groups

VAS	Group R (n = 71)	Group S (n = 71)	Group C (n = 71)	P	P1	P2	P3
PACU	0.00 ± 0.00	0.11 ± 0.318	4.37 ± 0.541	˂ 0.001**	0.196	˂ 0.001**	˂ 0.001**
One hour	0.00 ± 0.00	0.23 ± 0.453	1.35 ± 0.758	˂ 0.001**	0.027*	˂ 0.001**	˂ 0.001**
Three hours	0.00 ± 0.00	1.30 ± 0.641	2.68 ± 0.752	˂ 0.001**	˂ 0.001**	˂ 0.001**	˂ 0.001**
Six hours	0.65 ± 0.510	2.21 ± 1.027	4.20 ± 1.142	˂ 0.001**	˂ 0.001**	˂ 0.001**	˂ 0.001**
12 h	2.42 ± 0.966	3.83 ± 0.793	3.27 ± 0.894	˂ 0.001**	˂ 0.001**	˂ 0.001**	˂ 0.001**
24 h	3.73 ± 0.716	3.93 ± 0.834	4.24 ± 0.620	˂ 0.001**	0.108	˂ 0.001**	0.012*

Data is expressed as mean and standard deviation. P was used to compare the three groups. P1: Group R vs Group S. P2: Group R vs Group C. P3: Group S vs Group C
^*: p value < 0.05, **: p value < 0.001

ISSN: 1471-2253