Relationship between primary caregivers’ social support function, anxiety, and depression after interventional therapy for acute myocardial infarction patients

Table 2 Comparison of Self Rating Anxiety Scale scores and SDS scores of primary caregivers with Chinese norms

Items	Scores (n = 300)	Chinese norm (n = 1338)	t value	P value
SAS	41.26 ± 6.58	29.78 ± 10.07	18.860	< 0.001
SDS	44.16 ± 7.54	33.46 ± 8.55	20.000	< 0.001

SAS: Self Rating Anxiety Scale; SDS: Self Rating Depression Scale.