Table 2.

Comparison of changes in psychological state in two groups of patients before and after intervention (x̅±s, points)

Group	SDS				SAS
	Before intervention	After intervention	t	P	Before intervention	After intervention	t	P
Control group (n=71)	52.33±5.24	49.15±4.72	3.7995	<0.001	55.01±6.23	50.13±5.51	4.9440	0.0000
Observation group (n=71)	52.41±5.76	44.34±3.17	10.3246	<0.001	55.12±6.14	47.88±3.75	8.4793	0.0000
T	0.0866	7.1284	-	-	0.1060	2.8445	-	-
P	0.9311	0.0000	-	-	0.9158	0.0051	-	-