Efficacy and safety of stellate ganglion block in chronic ulcerative colitis

Table 2 Clinical symptoms of patients in the two groups after treatment n (%)

Group	Stomach ache	Time to defecation (-x ± s )	Blood and pus	Tenesmus
Control group
Before treatment	17 (56.67)	8.50 ± 1.31	10 (33.33)	13 (43.33)
After treatment	13 (43.33)	2.91 ± 0.97	5 (16.67)	7 (23.33)
t/χ2	3.548	18.784	7.401	9.000
P value	0.060	0.000	0.007	0.003
Experimental group
Before treatment	50 (55.56)	8.71 ± 1.40	29 (32.22)	38 (42.22)
After treatment	8 (8.89)a	1.12 ± 0.87a	4 (4.44)a	6 (6.67)a
t/χ2	49.864	43.684	25.776	34.213
P value	0.000	0.000	0.000	0.000

^aP < 0.05 vs the control group.