Table 2.

Comparison of negative emotion scores ($\overline{\mathbf{x}}$ ± s).

Groups	SDS		SAS
	Before	After	Before	After
Control group (n = 60)	57.25 ± 5.23	52.31 ± 5.24	52.36 ± 5.36	47.63 ± 5.31
Observation group (n = 60)	58.12 ± 5.13	41.23 ± 4.36	52.45 ± 5.61	41.33 ± 5.34
t	0.920	12.590	0.090	6.480
P	0.360	<0.001	0.929	<0.001