Efficacy and safety of stellate ganglion block in chronic ulcerative colitis

Table 3 Comparison of interleukin-8 expression levels between the control and experimental groups

Group	Different time points				Mean	F	P value
	Day 0	Day 10	Day 20	Day 30
Control group	25.83 ± 3.01	25.23 ± 2.87	24.68 ± 2.99	24.34 ± 2.98	25.02 ± 2.95	2.191	0.060
Experimental group	24.97 ± 2.98	22.20 ± 2.90	15.95 ± 2.62	8.81 ± 2.13	17.98 ± 2.54	9.715	0.000
Mean	25.40 ± 2.95	23.72 ± 2.88	20.32 ± 2.71	16.58 ± 2.35	19.26 ± 2.52	6.114	0.008
t	1.366	4.969	15.249	31.117	12.617	(F = 5.491, P = 0.032)1	(F = 2.981, P = 0.139)2
P value	0.175	0.000	0.000	0.000	0.000

¹Overall comparison of F statistics and P values between the control and experimental groups;

²Interactions between F statistics and P values.