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

Table 3 Consumption of sufentanil during and after the procedure

Variable	PVB group (n = 28)	Control group (n = 30)	P value
Sufentanil consumption during the procedure (μg)	15.7 ± 4.2	25.3 ± 5.6	< 0.001
Sufentanil consumption after the procedure (μg)	32.1 ± 8.7	48.6 ± 10.4	< 0.001
Total sufentanil consumption (μg)	47.8 ± 11.3	73.9 ± 13.2	< 0.001

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