Table 2.

Comparison of HAMA scores between two groups before and after intervention (points, x̅±sd)

Group	Number of cases	Before intervention	After intervention	t	P
Observation group	64	59.83±6.49	49.21±5.94	9.657	<0.001
Control group	63	59.10±7.21	54.52±6.82	3.691	<0.001
t	-	0.600	4.681	-	-
P	-	0.550	<0.001	-	-

HAMA: Hamilton Anxiety Scale.