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

Table 5 Levels of inflammatory markers before and after the procedure

Variable	Time point	PVB group (n = 28)	Control group (n = 30)	P value
WBC (× 109/L)	Before the procedure	6.8 ± 1.5	7.1 ± 1.6	0.36
	24 h after the procedure	9.4 ± 2.1	12.3 ± 2.7	< 0.001
	48 h after the procedure	8.2 ± 1.8	10.5 ± 2.4	< 0.001
NEUT% (%)	Before the procedure	65.3 ± 8.5	66.7 ± 9.2	0.54
	24 h after the procedure	72.4 ± 7.6	80.5 ± 6.8	< 0.001
	48 h after the procedure	69.2 ± 7.2	76.3 ± 7.4	< 0.001
CRP (mg/L)	Before the procedure	5.2 ± 1.4	5.6 ± 1.6	0.32
	24 h after the procedure	18.7 ± 4.3	26.4 ± 5.9	< 0.001
	48 h after the procedure	14.3 ± 3.8	20.6 ± 5.2	< 0.001
PCT (ng/mL)	Before the procedure	0.12 ± 0.04	0.13 ± 0.05	0.46
	24 h after the procedure	0.28 ± 0.08	0.42 ± 0.11	< 0.001
	48 h after the procedure	0.22 ± 0.07	0.34 ± 0.09	< 0.001

Data are expressed as means ± SD. PVB: Paravertebral block; WBC; White blood cell; NEUT%: Neutrophil percentage; CRP: C-reactive protein; PCT: Procalcitonin.