Paravertebral block's effect on analgesia and inflammation in advanced gastric cancer patients undergoing transarterial chemoembolization and microwave ablation

Table 2 Visual analog scale score for pain at different time points after the procedure

Time point	PVB group (n = 28)	Control group (n = 30)	P value
6 h after the procedure	2.1 ± 1.2	4.3 ± 1.4	< 0.001
12 h after the procedure	1.8 ± 1.0	3.7 ± 1.3	< 0.001
24 h after the procedure	1.4 ± 0.9	3.2 ± 1.2	< 0.001
48 h after the procedure	1.1 ± 0.8	2.8 ± 1.1	< 0.001

Data are expressed as means ± SD. PVB: Paravertebral block.