Clinical mechanisms of continuous stellate ganglion block in improving postoperative anxiety and depression after thoracoscopic lung cancer surgery

Table 2 Emotional score changes, mean ± SD

Scale	Time point	CSGB group (n = 65)	Control group (n = 70)	Statistics	P value
SAS	Preoperative	38.4 ± 5.2	38.9 ± 5.5	t = 0.541	0.590
	Postoperative day 1	46.1 ± 6.0	47.3 ± 6.4	t = 1.130	0.261
	Postoperative day 3	42.8 ± 6.3	49.2 ± 7.1	t = 5.620	< 0.01
	Postoperative day 7	38.2 ± 5.4	45.3 ± 6.5	t = 6.930	< 0.01
SDS	Preoperative	37.8 ± 4.9	38.2 ± 5.1	t = 0.471	0.639
	Postoperative day 1	45.3 ± 5.7	46.5 ± 6.0	t = 1.210	0.229
	Postoperative day 3	41.5 ± 5.9	48.7 ± 6.8	t = 6.480	< 0.01
	Postoperative day 7	37.1 ± 5.2	44.8 ± 6.1	t = 7.840	< 0.01

CSGB: Continuous stellate ganglion block; SAS: Self-Rating Anxiety Scale; SDS: Self-Rating Depression Scale.